Home / 869,221.98-1,303,162.29-329,470.38

Finding the Fourth Proportional to 869,221.98, 1,303,162.29 and 329,470.38

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Solution

The fourth proportional to 869,221.98, 1,303,162.29 and 329,470.38 is: 493,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,221.98 : 1,303,162.29 = 329,470.38 : x
  2. Step 2: Convert to fraction form
    869,221.98/1,303,162.29 = 329,470.38/x
  3. Step 3: Cross multiply
    869,221.98x = 1,303,162.29 × 329,470.38
  4. Step 4: Simplify right side
    869,221.98x = 429,353,374,887.97
  5. Step 5: Solve for x
    x = 429,353,374,887.97/869,221.98
  6. Step 6: Final answer
    x = 493,951.36

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1.5x scale

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.