Home / 482,904.30-724,324.05-127,910.70

Finding the Fourth Proportional to 482,904.30, 724,324.05 and 127,910.70

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Solution

The fourth proportional to 482,904.30, 724,324.05 and 127,910.70 is: 191,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,904.30 : 724,324.05 = 127,910.70 : x
  2. Step 2: Convert to fraction form
    482,904.30/724,324.05 = 127,910.70/x
  3. Step 3: Cross multiply
    482,904.30x = 724,324.05 × 127,910.70
  4. Step 4: Simplify right side
    482,904.30x = 92,648,796,262.34
  5. Step 5: Solve for x
    x = 92,648,796,262.34/482,904.30
  6. Step 6: Final answer
    x = 191,857.47

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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.