Home / 509,444.12-764,119.29-172,446.24

Finding the Fourth Proportional to 509,444.12, 764,119.29 and 172,446.24

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Solution

The fourth proportional to 509,444.12, 764,119.29 and 172,446.24 is: 258,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,444.12 : 764,119.29 = 172,446.24 : x
  2. Step 2: Convert to fraction form
    509,444.12/764,119.29 = 172,446.24/x
  3. Step 3: Cross multiply
    509,444.12x = 764,119.29 × 172,446.24
  4. Step 4: Simplify right side
    509,444.12x = 131,769,498,471.97
  5. Step 5: Solve for x
    x = 131,769,498,471.97/509,444.12
  6. Step 6: Final answer
    x = 258,653.49

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Similar ratio
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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.