Home / 958,991.31-1,438,908.15-503,476.70

Finding the Fourth Proportional to 958,991.31, 1,438,908.15 and 503,476.70

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Solution

The fourth proportional to 958,991.31, 1,438,908.15 and 503,476.70 is: 755,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,991.31 : 1,438,908.15 = 503,476.70 : x
  2. Step 2: Convert to fraction form
    958,991.31/1,438,908.15 = 503,476.70/x
  3. Step 3: Cross multiply
    958,991.31x = 1,438,908.15 × 503,476.70
  4. Step 4: Simplify right side
    958,991.31x = 724,456,729,449.75
  5. Step 5: Solve for x
    x = 724,456,729,449.75/958,991.31
  6. Step 6: Final answer
    x = 755,436.18

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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.