Home / 868,848.20-1,304,438.70-554,697.80

Finding the Fourth Proportional to 868,848.20, 1,304,438.70 and 554,697.80

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Solution

The fourth proportional to 868,848.20, 1,304,438.70 and 554,697.80 is: 832,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,848.20 : 1,304,438.70 = 554,697.80 : x
  2. Step 2: Convert to fraction form
    868,848.20/1,304,438.70 = 554,697.80/x
  3. Step 3: Cross multiply
    868,848.20x = 1,304,438.70 × 554,697.80
  4. Step 4: Simplify right side
    868,848.20x = 723,569,277,124.86
  5. Step 5: Solve for x
    x = 723,569,277,124.86/868,848.20
  6. Step 6: Final answer
    x = 832,791.36

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1.5x scale

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.