Home / 906,648.20-1,359,972.30-315,672.20

Finding the Fourth Proportional to 906,648.20, 1,359,972.30 and 315,672.20

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Solution

The fourth proportional to 906,648.20, 1,359,972.30 and 315,672.20 is: 473,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,648.20 : 1,359,972.30 = 315,672.20 : x
  2. Step 2: Convert to fraction form
    906,648.20/1,359,972.30 = 315,672.20/x
  3. Step 3: Cross multiply
    906,648.20x = 1,359,972.30 × 315,672.20
  4. Step 4: Simplify right side
    906,648.20x = 429,305,447,880.06
  5. Step 5: Solve for x
    x = 429,305,447,880.06/906,648.20
  6. Step 6: Final answer
    x = 473,508.30

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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.