Home / 950,049.52-1,311,042.60-542,143.84

Finding the Fourth Proportional to 950,049.52, 1,311,042.60 and 542,143.84

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Solution

The fourth proportional to 950,049.52, 1,311,042.60 and 542,143.84 is: 748,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,049.52 : 1,311,042.60 = 542,143.84 : x
  2. Step 2: Convert to fraction form
    950,049.52/1,311,042.60 = 542,143.84/x
  3. Step 3: Cross multiply
    950,049.52x = 1,311,042.60 × 542,143.84
  4. Step 4: Simplify right side
    950,049.52x = 710,773,669,567.58
  5. Step 5: Solve for x
    x = 710,773,669,567.58/950,049.52
  6. Step 6: Final answer
    x = 748,143.81

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1.5x scale

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.