Home / 688,766.10-1,033,149.15-476,189.70

Finding the Fourth Proportional to 688,766.10, 1,033,149.15 and 476,189.70

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Solution

The fourth proportional to 688,766.10, 1,033,149.15 and 476,189.70 is: 714,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,766.10 : 1,033,149.15 = 476,189.70 : x
  2. Step 2: Convert to fraction form
    688,766.10/1,033,149.15 = 476,189.70/x
  3. Step 3: Cross multiply
    688,766.10x = 1,033,149.15 × 476,189.70
  4. Step 4: Simplify right side
    688,766.10x = 491,974,983,793.76
  5. Step 5: Solve for x
    x = 491,974,983,793.76/688,766.10
  6. Step 6: Final answer
    x = 714,284.55

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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.