Home / 724,008.62-1,086,016.62-297,776.90

Finding the Fourth Proportional to 724,008.62, 1,086,016.62 and 297,776.90

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Solution

The fourth proportional to 724,008.62, 1,086,016.62 and 297,776.90 is: 446,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,008.62 : 1,086,016.62 = 297,776.90 : x
  2. Step 2: Convert to fraction form
    724,008.62/1,086,016.62 = 297,776.90/x
  3. Step 3: Cross multiply
    724,008.62x = 1,086,016.62 × 297,776.90
  4. Step 4: Simplify right side
    724,008.62x = 323,390,662,452.08
  5. Step 5: Solve for x
    x = 323,390,662,452.08/724,008.62
  6. Step 6: Final answer
    x = 446,666.87

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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.