Home / 669,108.75-1,003,860.29-269,543.91

Finding the Fourth Proportional to 669,108.75, 1,003,860.29 and 269,543.91

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Solution

The fourth proportional to 669,108.75, 1,003,860.29 and 269,543.91 is: 404,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,108.75 : 1,003,860.29 = 269,543.91 : x
  2. Step 2: Convert to fraction form
    669,108.75/1,003,860.29 = 269,543.91/x
  3. Step 3: Cross multiply
    669,108.75x = 1,003,860.29 × 269,543.91
  4. Step 4: Simplify right side
    669,108.75x = 270,584,426,312.61
  5. Step 5: Solve for x
    x = 270,584,426,312.61/669,108.75
  6. Step 6: Final answer
    x = 404,395.29

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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.