Home / 516,432.44-712,677.18-290,078.12

Finding the Fourth Proportional to 516,432.44, 712,677.18 and 290,078.12

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Solution

The fourth proportional to 516,432.44, 712,677.18 and 290,078.12 is: 400,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,432.44 : 712,677.18 = 290,078.12 : x
  2. Step 2: Convert to fraction form
    516,432.44/712,677.18 = 290,078.12/x
  3. Step 3: Cross multiply
    516,432.44x = 712,677.18 × 290,078.12
  4. Step 4: Simplify right side
    516,432.44x = 206,732,056,541.30
  5. Step 5: Solve for x
    x = 206,732,056,541.30/516,432.44
  6. Step 6: Final answer
    x = 400,308.04

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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.