Home / 993,459.38-1,490,202.75-283,487.21

Finding the Fourth Proportional to 993,459.38, 1,490,202.75 and 283,487.21

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Solution

The fourth proportional to 993,459.38, 1,490,202.75 and 283,487.21 is: 425,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,459.38 : 1,490,202.75 = 283,487.21 : x
  2. Step 2: Convert to fraction form
    993,459.38/1,490,202.75 = 283,487.21/x
  3. Step 3: Cross multiply
    993,459.38x = 1,490,202.75 × 283,487.21
  4. Step 4: Simplify right side
    993,459.38x = 422,453,419,931.83
  5. Step 5: Solve for x
    x = 422,453,419,931.83/993,459.38
  6. Step 6: Final answer
    x = 425,234.72

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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.