Home / 927,281.80-1,389,885.90-394,712.20

Finding the Fourth Proportional to 927,281.80, 1,389,885.90 and 394,712.20

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Solution

The fourth proportional to 927,281.80, 1,389,885.90 and 394,712.20 is: 591,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,281.80 : 1,389,885.90 = 394,712.20 : x
  2. Step 2: Convert to fraction form
    927,281.80/1,389,885.90 = 394,712.20/x
  3. Step 3: Cross multiply
    927,281.80x = 1,389,885.90 × 394,712.20
  4. Step 4: Simplify right side
    927,281.80x = 548,604,921,337.98
  5. Step 5: Solve for x
    x = 548,604,921,337.98/927,281.80
  6. Step 6: Final answer
    x = 591,626.97

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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.