Home / 708,306.80-1,063,151.40-353,721.20

Finding the Fourth Proportional to 708,306.80, 1,063,151.40 and 353,721.20

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Solution

The fourth proportional to 708,306.80, 1,063,151.40 and 353,721.20 is: 530,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,306.80 : 1,063,151.40 = 353,721.20 : x
  2. Step 2: Convert to fraction form
    708,306.80/1,063,151.40 = 353,721.20/x
  3. Step 3: Cross multiply
    708,306.80x = 1,063,151.40 × 353,721.20
  4. Step 4: Simplify right side
    708,306.80x = 376,059,188,989.68
  5. Step 5: Solve for x
    x = 376,059,188,989.68/708,306.80
  6. Step 6: Final answer
    x = 530,926.98

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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.