Home / 868,656.20-1,304,150.70-554,505.80

Finding the Fourth Proportional to 868,656.20, 1,304,150.70 and 554,505.80

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Solution

The fourth proportional to 868,656.20, 1,304,150.70 and 554,505.80 is: 832,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,656.20 : 1,304,150.70 = 554,505.80 : x
  2. Step 2: Convert to fraction form
    868,656.20/1,304,150.70 = 554,505.80/x
  3. Step 3: Cross multiply
    868,656.20x = 1,304,150.70 × 554,505.80
  4. Step 4: Simplify right side
    868,656.20x = 723,159,127,224.06
  5. Step 5: Solve for x
    x = 723,159,127,224.06/868,656.20
  6. Step 6: Final answer
    x = 832,503.27

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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.