Home / 693,591.12-1,040,381.82-356,725.71

Finding the Fourth Proportional to 693,591.12, 1,040,381.82 and 356,725.71

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Solution

The fourth proportional to 693,591.12, 1,040,381.82 and 356,725.71 is: 535,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,591.12 : 1,040,381.82 = 356,725.71 : x
  2. Step 2: Convert to fraction form
    693,591.12/1,040,381.82 = 356,725.71/x
  3. Step 3: Cross multiply
    693,591.12x = 1,040,381.82 × 356,725.71
  4. Step 4: Simplify right side
    693,591.12x = 371,130,943,410.59
  5. Step 5: Solve for x
    x = 371,130,943,410.59/693,591.12
  6. Step 6: Final answer
    x = 535,086.07

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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.