Home / 868,862.20-1,304,459.70-554,711.80

Finding the Fourth Proportional to 868,862.20, 1,304,459.70 and 554,711.80

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Solution

The fourth proportional to 868,862.20, 1,304,459.70 and 554,711.80 is: 832,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,862.20 : 1,304,459.70 = 554,711.80 : x
  2. Step 2: Convert to fraction form
    868,862.20/1,304,459.70 = 554,711.80/x
  3. Step 3: Cross multiply
    868,862.20x = 1,304,459.70 × 554,711.80
  4. Step 4: Simplify right side
    868,862.20x = 723,599,188,214.46
  5. Step 5: Solve for x
    x = 723,599,188,214.46/868,862.20
  6. Step 6: Final answer
    x = 832,812.37

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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.