Home / 996,528.30-1,494,792.45-331,680.30

Finding the Fourth Proportional to 996,528.30, 1,494,792.45 and 331,680.30

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Solution

The fourth proportional to 996,528.30, 1,494,792.45 and 331,680.30 is: 497,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,528.30 : 1,494,792.45 = 331,680.30 : x
  2. Step 2: Convert to fraction form
    996,528.30/1,494,792.45 = 331,680.30/x
  3. Step 3: Cross multiply
    996,528.30x = 1,494,792.45 × 331,680.30
  4. Step 4: Simplify right side
    996,528.30x = 495,793,208,253.74
  5. Step 5: Solve for x
    x = 495,793,208,253.74/996,528.30
  6. Step 6: Final answer
    x = 497,520.45

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Half scale
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Double scale
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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.