Home / 730,783.40-1,008,463.30-408,531.38

Finding the Fourth Proportional to 730,783.40, 1,008,463.30 and 408,531.38

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Solution

The fourth proportional to 730,783.40, 1,008,463.30 and 408,531.38 is: 563,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,783.40 : 1,008,463.30 = 408,531.38 : x
  2. Step 2: Convert to fraction form
    730,783.40/1,008,463.30 = 408,531.38/x
  3. Step 3: Cross multiply
    730,783.40x = 1,008,463.30 × 408,531.38
  4. Step 4: Simplify right side
    730,783.40x = 411,988,897,564.71
  5. Step 5: Solve for x
    x = 411,988,897,564.71/730,783.40
  6. Step 6: Final answer
    x = 563,763.35

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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.