Home / 546,727.38-819,426.19-386,849.38

Finding the Fourth Proportional to 546,727.38, 819,426.19 and 386,849.38

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Solution

The fourth proportional to 546,727.38, 819,426.19 and 386,849.38 is: 579,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,727.38 : 819,426.19 = 386,849.38 : x
  2. Step 2: Convert to fraction form
    546,727.38/819,426.19 = 386,849.38/x
  3. Step 3: Cross multiply
    546,727.38x = 819,426.19 × 386,849.38
  4. Step 4: Simplify right side
    546,727.38x = 316,994,513,557.26
  5. Step 5: Solve for x
    x = 316,994,513,557.26/546,727.38
  6. Step 6: Final answer
    x = 579,803.62

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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.