Home / 799,028.20-1,198,542.30-425,780.20

Finding the Fourth Proportional to 799,028.20, 1,198,542.30 and 425,780.20

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Solution

The fourth proportional to 799,028.20, 1,198,542.30 and 425,780.20 is: 638,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,028.20 : 1,198,542.30 = 425,780.20 : x
  2. Step 2: Convert to fraction form
    799,028.20/1,198,542.30 = 425,780.20/x
  3. Step 3: Cross multiply
    799,028.20x = 1,198,542.30 × 425,780.20
  4. Step 4: Simplify right side
    799,028.20x = 510,315,580,202.46
  5. Step 5: Solve for x
    x = 510,315,580,202.46/799,028.20
  6. Step 6: Final answer
    x = 638,670.30

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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.