Home / 724,887.65-1,087,317.26-292,593.61

Finding the Fourth Proportional to 724,887.65, 1,087,317.26 and 292,593.61

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Solution

The fourth proportional to 724,887.65, 1,087,317.26 and 292,593.61 is: 438,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,887.65 : 1,087,317.26 = 292,593.61 : x
  2. Step 2: Convert to fraction form
    724,887.65/1,087,317.26 = 292,593.61/x
  3. Step 3: Cross multiply
    724,887.65x = 1,087,317.26 × 292,593.61
  4. Step 4: Simplify right side
    724,887.65x = 318,142,087,439.48
  5. Step 5: Solve for x
    x = 318,142,087,439.48/724,887.65
  6. Step 6: Final answer
    x = 438,884.68

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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.