Home / 846,354.80-1,268,691.20-424,342.64

Finding the Fourth Proportional to 846,354.80, 1,268,691.20 and 424,342.64

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Solution

The fourth proportional to 846,354.80, 1,268,691.20 and 424,342.64 is: 636,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,354.80 : 1,268,691.20 = 424,342.64 : x
  2. Step 2: Convert to fraction form
    846,354.80/1,268,691.20 = 424,342.64/x
  3. Step 3: Cross multiply
    846,354.80x = 1,268,691.20 × 424,342.64
  4. Step 4: Simplify right side
    846,354.80x = 538,359,773,152.77
  5. Step 5: Solve for x
    x = 538,359,773,152.77/846,354.80
  6. Step 6: Final answer
    x = 636,092.30

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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.