Home / 727,153.29-1,003,512.92-436,853.66

Finding the Fourth Proportional to 727,153.29, 1,003,512.92 and 436,853.66

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Solution

The fourth proportional to 727,153.29, 1,003,512.92 and 436,853.66 is: 602,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,153.29 : 1,003,512.92 = 436,853.66 : x
  2. Step 2: Convert to fraction form
    727,153.29/1,003,512.92 = 436,853.66/x
  3. Step 3: Cross multiply
    727,153.29x = 1,003,512.92 × 436,853.66
  4. Step 4: Simplify right side
    727,153.29x = 438,388,284,757.45
  5. Step 5: Solve for x
    x = 438,388,284,757.45/727,153.29
  6. Step 6: Final answer
    x = 602,882.90

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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.