Home / 482,877.40-724,316.10-127,946.20

Finding the Fourth Proportional to 482,877.40, 724,316.10 and 127,946.20

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Solution

The fourth proportional to 482,877.40, 724,316.10 and 127,946.20 is: 191,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,877.40 : 724,316.10 = 127,946.20 : x
  2. Step 2: Convert to fraction form
    482,877.40/724,316.10 = 127,946.20/x
  3. Step 3: Cross multiply
    482,877.40x = 724,316.10 × 127,946.20
  4. Step 4: Simplify right side
    482,877.40x = 92,673,492,593.82
  5. Step 5: Solve for x
    x = 92,673,492,593.82/482,877.40
  6. Step 6: Final answer
    x = 191,919.30

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Similar ratio
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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.