Home / 890,648.20-1,335,972.30-225,800.20

Finding the Fourth Proportional to 890,648.20, 1,335,972.30 and 225,800.20

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Solution

The fourth proportional to 890,648.20, 1,335,972.30 and 225,800.20 is: 338,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,648.20 : 1,335,972.30 = 225,800.20 : x
  2. Step 2: Convert to fraction form
    890,648.20/1,335,972.30 = 225,800.20/x
  3. Step 3: Cross multiply
    890,648.20x = 1,335,972.30 × 225,800.20
  4. Step 4: Simplify right side
    890,648.20x = 301,662,812,534.46
  5. Step 5: Solve for x
    x = 301,662,812,534.46/890,648.20
  6. Step 6: Final answer
    x = 338,700.30

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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.