Home / 958,964.40-1,438,446.60-399,092.40

Finding the Fourth Proportional to 958,964.40, 1,438,446.60 and 399,092.40

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Solution

The fourth proportional to 958,964.40, 1,438,446.60 and 399,092.40 is: 598,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,964.40 : 1,438,446.60 = 399,092.40 : x
  2. Step 2: Convert to fraction form
    958,964.40/1,438,446.60 = 399,092.40/x
  3. Step 3: Cross multiply
    958,964.40x = 1,438,446.60 × 399,092.40
  4. Step 4: Simplify right side
    958,964.40x = 574,073,105,865.84
  5. Step 5: Solve for x
    x = 574,073,105,865.84/958,964.40
  6. Step 6: Final answer
    x = 598,638.60

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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.