Home / 862,475.45-1,293,962.79-356,943.11

Finding the Fourth Proportional to 862,475.45, 1,293,962.79 and 356,943.11

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Solution

The fourth proportional to 862,475.45, 1,293,962.79 and 356,943.11 is: 535,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,475.45 : 1,293,962.79 = 356,943.11 : x
  2. Step 2: Convert to fraction form
    862,475.45/1,293,962.79 = 356,943.11/x
  3. Step 3: Cross multiply
    862,475.45x = 1,293,962.79 × 356,943.11
  4. Step 4: Simplify right side
    862,475.45x = 461,871,102,486.88
  5. Step 5: Solve for x
    x = 461,871,102,486.88/862,475.45
  6. Step 6: Final answer
    x = 535,517.97

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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.