Home / 749,327.05-1,124,001.24-243,890.70

Finding the Fourth Proportional to 749,327.05, 1,124,001.24 and 243,890.70

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Solution

The fourth proportional to 749,327.05, 1,124,001.24 and 243,890.70 is: 365,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,327.05 : 1,124,001.24 = 243,890.70 : x
  2. Step 2: Convert to fraction form
    749,327.05/1,124,001.24 = 243,890.70/x
  3. Step 3: Cross multiply
    749,327.05x = 1,124,001.24 × 243,890.70
  4. Step 4: Simplify right side
    749,327.05x = 274,133,449,224.47
  5. Step 5: Solve for x
    x = 274,133,449,224.47/749,327.05
  6. Step 6: Final answer
    x = 365,839.52

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Half scale
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Double scale
Find fourth proportional to 749,328.05, 1,124,002.74 and 243,891.70
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.