Home / 730,516.71-1,008,111.31-408,226.79

Finding the Fourth Proportional to 730,516.71, 1,008,111.31 and 408,226.79

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Solution

The fourth proportional to 730,516.71, 1,008,111.31 and 408,226.79 is: 563,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,516.71 : 1,008,111.31 = 408,226.79 : x
  2. Step 2: Convert to fraction form
    730,516.71/1,008,111.31 = 408,226.79/x
  3. Step 3: Cross multiply
    730,516.71x = 1,008,111.31 × 408,226.79
  4. Step 4: Simplify right side
    730,516.71x = 411,538,039,003.44
  5. Step 5: Solve for x
    x = 411,538,039,003.44/730,516.71
  6. Step 6: Final answer
    x = 563,351.99

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Double scale
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1.5x scale

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.