Home / 993,381.12-1,489,948.56-283,471.20

Finding the Fourth Proportional to 993,381.12, 1,489,948.56 and 283,471.20

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Solution

The fourth proportional to 993,381.12, 1,489,948.56 and 283,471.20 is: 425,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,381.12 : 1,489,948.56 = 283,471.20 : x
  2. Step 2: Convert to fraction form
    993,381.12/1,489,948.56 = 283,471.20/x
  3. Step 3: Cross multiply
    993,381.12x = 1,489,948.56 × 283,471.20
  4. Step 4: Simplify right side
    993,381.12x = 422,357,506,241.47
  5. Step 5: Solve for x
    x = 422,357,506,241.47/993,381.12
  6. Step 6: Final answer
    x = 425,171.67

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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.