Home / 708,972.30-1,063,458.45-620,398.80

Finding the Fourth Proportional to 708,972.30, 1,063,458.45 and 620,398.80

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Solution

The fourth proportional to 708,972.30, 1,063,458.45 and 620,398.80 is: 930,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,972.30 : 1,063,458.45 = 620,398.80 : x
  2. Step 2: Convert to fraction form
    708,972.30/1,063,458.45 = 620,398.80/x
  3. Step 3: Cross multiply
    708,972.30x = 1,063,458.45 × 620,398.80
  4. Step 4: Simplify right side
    708,972.30x = 659,768,346,229.86
  5. Step 5: Solve for x
    x = 659,768,346,229.86/708,972.30
  6. Step 6: Final answer
    x = 930,598.20

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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.