Home / 693,568.80-1,040,145.84-360,963.36

Finding the Fourth Proportional to 693,568.80, 1,040,145.84 and 360,963.36

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Solution

The fourth proportional to 693,568.80, 1,040,145.84 and 360,963.36 is: 541,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,568.80 : 1,040,145.84 = 360,963.36 : x
  2. Step 2: Convert to fraction form
    693,568.80/1,040,145.84 = 360,963.36/x
  3. Step 3: Cross multiply
    693,568.80x = 1,040,145.84 × 360,963.36
  4. Step 4: Simplify right side
    693,568.80x = 375,454,537,296.42
  5. Step 5: Solve for x
    x = 375,454,537,296.42/693,568.80
  6. Step 6: Final answer
    x = 541,337.12

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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.