Home / 653,126.52-979,726.23-203,909.43

Finding the Fourth Proportional to 653,126.52, 979,726.23 and 203,909.43

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Solution

The fourth proportional to 653,126.52, 979,726.23 and 203,909.43 is: 305,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,126.52 : 979,726.23 = 203,909.43 : x
  2. Step 2: Convert to fraction form
    653,126.52/979,726.23 = 203,909.43/x
  3. Step 3: Cross multiply
    653,126.52x = 979,726.23 × 203,909.43
  4. Step 4: Simplify right side
    653,126.52x = 199,775,417,115.35
  5. Step 5: Solve for x
    x = 199,775,417,115.35/653,126.52
  6. Step 6: Final answer
    x = 305,875.52

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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.