Home / 731,356.81-1,096,862.91-411,644.77

Finding the Fourth Proportional to 731,356.81, 1,096,862.91 and 411,644.77

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Solution

The fourth proportional to 731,356.81, 1,096,862.91 and 411,644.77 is: 617,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,356.81 : 1,096,862.91 = 411,644.77 : x
  2. Step 2: Convert to fraction form
    731,356.81/1,096,862.91 = 411,644.77/x
  3. Step 3: Cross multiply
    731,356.81x = 1,096,862.91 × 411,644.77
  4. Step 4: Simplify right side
    731,356.81x = 451,517,880,308.48
  5. Step 5: Solve for x
    x = 451,517,880,308.48/731,356.81
  6. Step 6: Final answer
    x = 617,370.17

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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.