Home / 838,654.73-1,256,818.26-382,130.29

Finding the Fourth Proportional to 838,654.73, 1,256,818.26 and 382,130.29

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Solution

The fourth proportional to 838,654.73, 1,256,818.26 and 382,130.29 is: 572,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,654.73 : 1,256,818.26 = 382,130.29 : x
  2. Step 2: Convert to fraction form
    838,654.73/1,256,818.26 = 382,130.29/x
  3. Step 3: Cross multiply
    838,654.73x = 1,256,818.26 × 382,130.29
  4. Step 4: Simplify right side
    838,654.73x = 480,268,326,171.10
  5. Step 5: Solve for x
    x = 480,268,326,171.10/838,654.73
  6. Step 6: Final answer
    x = 572,665.14

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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.