Home / 729,034.27-1,006,020.06-402,350.20

Finding the Fourth Proportional to 729,034.27, 1,006,020.06 and 402,350.20

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Solution

The fourth proportional to 729,034.27, 1,006,020.06 and 402,350.20 is: 555,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,034.27 : 1,006,020.06 = 402,350.20 : x
  2. Step 2: Convert to fraction form
    729,034.27/1,006,020.06 = 402,350.20/x
  3. Step 3: Cross multiply
    729,034.27x = 1,006,020.06 × 402,350.20
  4. Step 4: Simplify right side
    729,034.27x = 404,772,372,345.01
  5. Step 5: Solve for x
    x = 404,772,372,345.01/729,034.27
  6. Step 6: Final answer
    x = 555,217.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.