Home / 747,441.30-1,121,309.51-274,130.76

Finding the Fourth Proportional to 747,441.30, 1,121,309.51 and 274,130.76

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Solution

The fourth proportional to 747,441.30, 1,121,309.51 and 274,130.76 is: 411,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,441.30 : 1,121,309.51 = 274,130.76 : x
  2. Step 2: Convert to fraction form
    747,441.30/1,121,309.51 = 274,130.76/x
  3. Step 3: Cross multiply
    747,441.30x = 1,121,309.51 × 274,130.76
  4. Step 4: Simplify right side
    747,441.30x = 307,385,428,171.53
  5. Step 5: Solve for x
    x = 307,385,428,171.53/747,441.30
  6. Step 6: Final answer
    x = 411,250.26

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Double scale
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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.