Home / 440,890.92-661,086.25-403,275.89

Finding the Fourth Proportional to 440,890.92, 661,086.25 and 403,275.89

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Solution

The fourth proportional to 440,890.92, 661,086.25 and 403,275.89 is: 604,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,890.92 : 661,086.25 = 403,275.89 : x
  2. Step 2: Convert to fraction form
    440,890.92/661,086.25 = 403,275.89/x
  3. Step 3: Cross multiply
    440,890.92x = 661,086.25 × 403,275.89
  4. Step 4: Simplify right side
    440,890.92x = 266,600,146,480.04
  5. Step 5: Solve for x
    x = 266,600,146,480.04/440,890.92
  6. Step 6: Final answer
    x = 604,685.04

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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.