Home / 694,564.70-1,041,847.05-687,191.90

Finding the Fourth Proportional to 694,564.70, 1,041,847.05 and 687,191.90

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Solution

The fourth proportional to 694,564.70, 1,041,847.05 and 687,191.90 is: 1,030,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,564.70 : 1,041,847.05 = 687,191.90 : x
  2. Step 2: Convert to fraction form
    694,564.70/1,041,847.05 = 687,191.90/x
  3. Step 3: Cross multiply
    694,564.70x = 1,041,847.05 × 687,191.90
  4. Step 4: Simplify right side
    694,564.70x = 715,948,853,798.90
  5. Step 5: Solve for x
    x = 715,948,853,798.90/694,564.70
  6. Step 6: Final answer
    x = 1,030,787.85

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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.