Home / 914,040.88-1,261,375.62-506,142.70

Finding the Fourth Proportional to 914,040.88, 1,261,375.62 and 506,142.70

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Solution

The fourth proportional to 914,040.88, 1,261,375.62 and 506,142.70 is: 698,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,040.88 : 1,261,375.62 = 506,142.70 : x
  2. Step 2: Convert to fraction form
    914,040.88/1,261,375.62 = 506,142.70/x
  3. Step 3: Cross multiply
    914,040.88x = 1,261,375.62 × 506,142.70
  4. Step 4: Simplify right side
    914,040.88x = 638,436,062,020.97
  5. Step 5: Solve for x
    x = 638,436,062,020.97/914,040.88
  6. Step 6: Final answer
    x = 698,476.49

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1.5x scale

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.