Home / 832,013.48-1,248,182.04-319,641.29

Finding the Fourth Proportional to 832,013.48, 1,248,182.04 and 319,641.29

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Solution

The fourth proportional to 832,013.48, 1,248,182.04 and 319,641.29 is: 479,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,013.48 : 1,248,182.04 = 319,641.29 : x
  2. Step 2: Convert to fraction form
    832,013.48/1,248,182.04 = 319,641.29/x
  3. Step 3: Cross multiply
    832,013.48x = 1,248,182.04 × 319,641.29
  4. Step 4: Simplify right side
    832,013.48x = 398,970,517,420.43
  5. Step 5: Solve for x
    x = 398,970,517,420.43/832,013.48
  6. Step 6: Final answer
    x = 479,524.10

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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.