Home / 724,007.62-1,086,015.12-297,775.90

Finding the Fourth Proportional to 724,007.62, 1,086,015.12 and 297,775.90

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Solution

The fourth proportional to 724,007.62, 1,086,015.12 and 297,775.90 is: 446,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,007.62 : 1,086,015.12 = 297,775.90 : x
  2. Step 2: Convert to fraction form
    724,007.62/1,086,015.12 = 297,775.90/x
  3. Step 3: Cross multiply
    724,007.62x = 1,086,015.12 × 297,775.90
  4. Step 4: Simplify right side
    724,007.62x = 323,389,129,771.61
  5. Step 5: Solve for x
    x = 323,389,129,771.61/724,007.62
  6. Step 6: Final answer
    x = 446,665.37

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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.