Home / 749,277.60-1,123,916.40-243,886.20

Finding the Fourth Proportional to 749,277.60, 1,123,916.40 and 243,886.20

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Solution

The fourth proportional to 749,277.60, 1,123,916.40 and 243,886.20 is: 365,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,277.60 : 1,123,916.40 = 243,886.20 : x
  2. Step 2: Convert to fraction form
    749,277.60/1,123,916.40 = 243,886.20/x
  3. Step 3: Cross multiply
    749,277.60x = 1,123,916.40 × 243,886.20
  4. Step 4: Simplify right side
    749,277.60x = 274,107,699,913.68
  5. Step 5: Solve for x
    x = 274,107,699,913.68/749,277.60
  6. Step 6: Final answer
    x = 365,829.30

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Half scale
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Double scale
Find fourth proportional to 749,278.60, 1,123,917.90 and 243,887.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.