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Finding the Fourth Proportional to 898,854.40, 1,348,468.80 and 300,001.60

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Solution

The fourth proportional to 898,854.40, 1,348,468.80 and 300,001.60 is: 450,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,854.40 : 1,348,468.80 = 300,001.60 : x
  2. Step 2: Convert to fraction form
    898,854.40/1,348,468.80 = 300,001.60/x
  3. Step 3: Cross multiply
    898,854.40x = 1,348,468.80 × 300,001.60
  4. Step 4: Simplify right side
    898,854.40x = 404,542,797,550.08
  5. Step 5: Solve for x
    x = 404,542,797,550.08/898,854.40
  6. Step 6: Final answer
    x = 450,064.88

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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.