Home / 558,456.60-837,367.56-381,178.20

Finding the Fourth Proportional to 558,456.60, 837,367.56 and 381,178.20

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Solution

The fourth proportional to 558,456.60, 837,367.56 and 381,178.20 is: 571,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,456.60 : 837,367.56 = 381,178.20 : x
  2. Step 2: Convert to fraction form
    558,456.60/837,367.56 = 381,178.20/x
  3. Step 3: Cross multiply
    558,456.60x = 837,367.56 × 381,178.20
  4. Step 4: Simplify right side
    558,456.60x = 319,186,259,259.19
  5. Step 5: Solve for x
    x = 319,186,259,259.19/558,456.60
  6. Step 6: Final answer
    x = 571,550.70

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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.