Home / 482,914.30-724,339.05-127,920.70

Finding the Fourth Proportional to 482,914.30, 724,339.05 and 127,920.70

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Solution

The fourth proportional to 482,914.30, 724,339.05 and 127,920.70 is: 191,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,914.30 : 724,339.05 = 127,920.70 : x
  2. Step 2: Convert to fraction form
    482,914.30/724,339.05 = 127,920.70/x
  3. Step 3: Cross multiply
    482,914.30x = 724,339.05 × 127,920.70
  4. Step 4: Simplify right side
    482,914.30x = 92,657,958,313.34
  5. Step 5: Solve for x
    x = 92,657,958,313.34/482,914.30
  6. Step 6: Final answer
    x = 191,872.47

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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.