Home / 749,352.60-1,124,028.90-243,961.20

Finding the Fourth Proportional to 749,352.60, 1,124,028.90 and 243,961.20

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Solution

The fourth proportional to 749,352.60, 1,124,028.90 and 243,961.20 is: 365,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,352.60 : 1,124,028.90 = 243,961.20 : x
  2. Step 2: Convert to fraction form
    749,352.60/1,124,028.90 = 243,961.20/x
  3. Step 3: Cross multiply
    749,352.60x = 1,124,028.90 × 243,961.20
  4. Step 4: Simplify right side
    749,352.60x = 274,219,439,278.68
  5. Step 5: Solve for x
    x = 274,219,439,278.68/749,352.60
  6. Step 6: Final answer
    x = 365,941.80

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Half scale
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Double scale
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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.