Home / 707,981.20-1,063,200.60-376,205.20

Finding the Fourth Proportional to 707,981.20, 1,063,200.60 and 376,205.20

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Solution

The fourth proportional to 707,981.20, 1,063,200.60 and 376,205.20 is: 564,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,981.20 : 1,063,200.60 = 376,205.20 : x
  2. Step 2: Convert to fraction form
    707,981.20/1,063,200.60 = 376,205.20/x
  3. Step 3: Cross multiply
    707,981.20x = 1,063,200.60 × 376,205.20
  4. Step 4: Simplify right side
    707,981.20x = 399,981,594,363.12
  5. Step 5: Solve for x
    x = 399,981,594,363.12/707,981.20
  6. Step 6: Final answer
    x = 564,960.76

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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.