Home / 753,886.23-1,040,371.06-409,722.15

Finding the Fourth Proportional to 753,886.23, 1,040,371.06 and 409,722.15

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Solution

The fourth proportional to 753,886.23, 1,040,371.06 and 409,722.15 is: 565,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,886.23 : 1,040,371.06 = 409,722.15 : x
  2. Step 2: Convert to fraction form
    753,886.23/1,040,371.06 = 409,722.15/x
  3. Step 3: Cross multiply
    753,886.23x = 1,040,371.06 × 409,722.15
  4. Step 4: Simplify right side
    753,886.23x = 426,263,067,500.98
  5. Step 5: Solve for x
    x = 426,263,067,500.98/753,886.23
  6. Step 6: Final answer
    x = 565,420.95

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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.