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Finding the Fourth Proportional to 606,044.30, 909,066.45 and 438,082.70

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Solution

The fourth proportional to 606,044.30, 909,066.45 and 438,082.70 is: 657,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,044.30 : 909,066.45 = 438,082.70 : x
  2. Step 2: Convert to fraction form
    606,044.30/909,066.45 = 438,082.70/x
  3. Step 3: Cross multiply
    606,044.30x = 909,066.45 × 438,082.70
  4. Step 4: Simplify right side
    606,044.30x = 398,246,284,895.42
  5. Step 5: Solve for x
    x = 398,246,284,895.42/606,044.30
  6. Step 6: Final answer
    x = 657,124.05

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Similar ratio
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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.