Home / 927,281.30-1,389,885.15-394,711.70

Finding the Fourth Proportional to 927,281.30, 1,389,885.15 and 394,711.70

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Solution

The fourth proportional to 927,281.30, 1,389,885.15 and 394,711.70 is: 591,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,281.30 : 1,389,885.15 = 394,711.70 : x
  2. Step 2: Convert to fraction form
    927,281.30/1,389,885.15 = 394,711.70/x
  3. Step 3: Cross multiply
    927,281.30x = 1,389,885.15 × 394,711.70
  4. Step 4: Simplify right side
    927,281.30x = 548,603,930,361.26
  5. Step 5: Solve for x
    x = 548,603,930,361.26/927,281.30
  6. Step 6: Final answer
    x = 591,626.22

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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.