Home / 868,822.20-1,304,399.70-554,671.80

Finding the Fourth Proportional to 868,822.20, 1,304,399.70 and 554,671.80

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Solution

The fourth proportional to 868,822.20, 1,304,399.70 and 554,671.80 is: 832,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,822.20 : 1,304,399.70 = 554,671.80 : x
  2. Step 2: Convert to fraction form
    868,822.20/1,304,399.70 = 554,671.80/x
  3. Step 3: Cross multiply
    868,822.20x = 1,304,399.70 × 554,671.80
  4. Step 4: Simplify right side
    868,822.20x = 723,513,729,518.46
  5. Step 5: Solve for x
    x = 723,513,729,518.46/868,822.20
  6. Step 6: Final answer
    x = 832,752.35

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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.