Home / 707,947.20-1,063,149.60-376,171.20

Finding the Fourth Proportional to 707,947.20, 1,063,149.60 and 376,171.20

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Solution

The fourth proportional to 707,947.20, 1,063,149.60 and 376,171.20 is: 564,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,947.20 : 1,063,149.60 = 376,171.20 : x
  2. Step 2: Convert to fraction form
    707,947.20/1,063,149.60 = 376,171.20/x
  3. Step 3: Cross multiply
    707,947.20x = 1,063,149.60 × 376,171.20
  4. Step 4: Simplify right side
    707,947.20x = 399,926,260,811.52
  5. Step 5: Solve for x
    x = 399,926,260,811.52/707,947.20
  6. Step 6: Final answer
    x = 564,909.73

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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.