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Finding the Fourth Proportional to 649,908.30, 896,867.31 and 363,425.10

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Solution

The fourth proportional to 649,908.30, 896,867.31 and 363,425.10 is: 501,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,908.30 : 896,867.31 = 363,425.10 : x
  2. Step 2: Convert to fraction form
    649,908.30/896,867.31 = 363,425.10/x
  3. Step 3: Cross multiply
    649,908.30x = 896,867.31 × 363,425.10
  4. Step 4: Simplify right side
    649,908.30x = 325,944,091,823.48
  5. Step 5: Solve for x
    x = 325,944,091,823.48/649,908.30
  6. Step 6: Final answer
    x = 501,523.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.