Home / 558,078.20-837,117.30-203,103.80

Finding the Fourth Proportional to 558,078.20, 837,117.30 and 203,103.80

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Solution

The fourth proportional to 558,078.20, 837,117.30 and 203,103.80 is: 304,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,078.20 : 837,117.30 = 203,103.80 : x
  2. Step 2: Convert to fraction form
    558,078.20/837,117.30 = 203,103.80/x
  3. Step 3: Cross multiply
    558,078.20x = 837,117.30 × 203,103.80
  4. Step 4: Simplify right side
    558,078.20x = 170,021,704,675.74
  5. Step 5: Solve for x
    x = 170,021,704,675.74/558,078.20
  6. Step 6: Final answer
    x = 304,655.70

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Double scale
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Similar ratio
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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.