Home / 493,723.08-681,344.50-275,922.20

Finding the Fourth Proportional to 493,723.08, 681,344.50 and 275,922.20

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Solution

The fourth proportional to 493,723.08, 681,344.50 and 275,922.20 is: 380,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,723.08 : 681,344.50 = 275,922.20 : x
  2. Step 2: Convert to fraction form
    493,723.08/681,344.50 = 275,922.20/x
  3. Step 3: Cross multiply
    493,723.08x = 681,344.50 × 275,922.20
  4. Step 4: Simplify right side
    493,723.08x = 187,998,073,397.90
  5. Step 5: Solve for x
    x = 187,998,073,397.90/493,723.08
  6. Step 6: Final answer
    x = 380,776.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.