Home / 482,960.30-724,408.05-127,966.70

Finding the Fourth Proportional to 482,960.30, 724,408.05 and 127,966.70

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Solution

The fourth proportional to 482,960.30, 724,408.05 and 127,966.70 is: 191,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,960.30 : 724,408.05 = 127,966.70 : x
  2. Step 2: Convert to fraction form
    482,960.30/724,408.05 = 127,966.70/x
  3. Step 3: Cross multiply
    482,960.30x = 724,408.05 × 127,966.70
  4. Step 4: Simplify right side
    482,960.30x = 92,700,107,611.94
  5. Step 5: Solve for x
    x = 92,700,107,611.94/482,960.30
  6. Step 6: Final answer
    x = 191,941.47

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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.