Home / 693,587.03-1,040,375.67-356,721.59

Finding the Fourth Proportional to 693,587.03, 1,040,375.67 and 356,721.59

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Solution

The fourth proportional to 693,587.03, 1,040,375.67 and 356,721.59 is: 535,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,587.03 : 1,040,375.67 = 356,721.59 : x
  2. Step 2: Convert to fraction form
    693,587.03/1,040,375.67 = 356,721.59/x
  3. Step 3: Cross multiply
    693,587.03x = 1,040,375.67 × 356,721.59
  4. Step 4: Simplify right side
    693,587.03x = 371,124,457,997.84
  5. Step 5: Solve for x
    x = 371,124,457,997.84/693,587.03
  6. Step 6: Final answer
    x = 535,079.87

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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.