Home / 753,894.41-1,040,381.17-409,731.22

Finding the Fourth Proportional to 753,894.41, 1,040,381.17 and 409,731.22

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Solution

The fourth proportional to 753,894.41, 1,040,381.17 and 409,731.22 is: 565,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,894.41 : 1,040,381.17 = 409,731.22 : x
  2. Step 2: Convert to fraction form
    753,894.41/1,040,381.17 = 409,731.22/x
  3. Step 3: Cross multiply
    753,894.41x = 1,040,381.17 × 409,731.22
  4. Step 4: Simplify right side
    753,894.41x = 426,276,650,077.07
  5. Step 5: Solve for x
    x = 426,276,650,077.07/753,894.41
  6. Step 6: Final answer
    x = 565,432.83

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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.