Home / 730,635.27-1,008,307.81-408,345.36

Finding the Fourth Proportional to 730,635.27, 1,008,307.81 and 408,345.36

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Solution

The fourth proportional to 730,635.27, 1,008,307.81 and 408,345.36 is: 563,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,635.27 : 1,008,307.81 = 408,345.36 : x
  2. Step 2: Convert to fraction form
    730,635.27/1,008,307.81 = 408,345.36/x
  3. Step 3: Cross multiply
    730,635.27x = 1,008,307.81 × 408,345.36
  4. Step 4: Simplify right side
    730,635.27x = 411,737,817,761.48
  5. Step 5: Solve for x
    x = 411,737,817,761.48/730,635.27
  6. Step 6: Final answer
    x = 563,534.00

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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.