Home / 904,672.83-1,248,470.25-491,227.20

Finding the Fourth Proportional to 904,672.83, 1,248,470.25 and 491,227.20

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Solution

The fourth proportional to 904,672.83, 1,248,470.25 and 491,227.20 is: 677,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,672.83 : 1,248,470.25 = 491,227.20 : x
  2. Step 2: Convert to fraction form
    904,672.83/1,248,470.25 = 491,227.20/x
  3. Step 3: Cross multiply
    904,672.83x = 1,248,470.25 × 491,227.20
  4. Step 4: Simplify right side
    904,672.83x = 613,282,540,154.10
  5. Step 5: Solve for x
    x = 613,282,540,154.10/904,672.83
  6. Step 6: Final answer
    x = 677,905.34

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Half scale
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Double scale
Find fourth proportional to 904,673.83, 1,248,471.63 and 491,228.20
Similar ratio
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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.