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Finding the Fourth Proportional to 440,497.53, 660,723.62 and 258,229.52

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Solution

The fourth proportional to 440,497.53, 660,723.62 and 258,229.52 is: 387,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,497.53 : 660,723.62 = 258,229.52 : x
  2. Step 2: Convert to fraction form
    440,497.53/660,723.62 = 258,229.52/x
  3. Step 3: Cross multiply
    440,497.53x = 660,723.62 × 258,229.52
  4. Step 4: Simplify right side
    440,497.53x = 170,618,338,650.50
  5. Step 5: Solve for x
    x = 170,618,338,650.50/440,497.53
  6. Step 6: Final answer
    x = 387,330.98

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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.