Home / 524,654.82-724,144.68-306,964.80

Finding the Fourth Proportional to 524,654.82, 724,144.68 and 306,964.80

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Solution

The fourth proportional to 524,654.82, 724,144.68 and 306,964.80 is: 423,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,654.82 : 724,144.68 = 306,964.80 : x
  2. Step 2: Convert to fraction form
    524,654.82/724,144.68 = 306,964.80/x
  3. Step 3: Cross multiply
    524,654.82x = 724,144.68 × 306,964.80
  4. Step 4: Simplify right side
    524,654.82x = 222,286,926,867.26
  5. Step 5: Solve for x
    x = 222,286,926,867.26/524,654.82
  6. Step 6: Final answer
    x = 423,682.24

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Double scale
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Similar ratio
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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.