Home / 831,170.88-1,146,932.96-508,972.32

Finding the Fourth Proportional to 831,170.88, 1,146,932.96 and 508,972.32

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Solution

The fourth proportional to 831,170.88, 1,146,932.96 and 508,972.32 is: 702,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,170.88 : 1,146,932.96 = 508,972.32 : x
  2. Step 2: Convert to fraction form
    831,170.88/1,146,932.96 = 508,972.32/x
  3. Step 3: Cross multiply
    831,170.88x = 1,146,932.96 × 508,972.32
  4. Step 4: Simplify right side
    831,170.88x = 583,757,129,535.67
  5. Step 5: Solve for x
    x = 583,757,129,535.67/831,170.88
  6. Step 6: Final answer
    x = 702,331.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.