Home / 753,862.03-1,040,339.97-409,704.77

Finding the Fourth Proportional to 753,862.03, 1,040,339.97 and 409,704.77

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Solution

The fourth proportional to 753,862.03, 1,040,339.97 and 409,704.77 is: 565,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,862.03 : 1,040,339.97 = 409,704.77 : x
  2. Step 2: Convert to fraction form
    753,862.03/1,040,339.97 = 409,704.77/x
  3. Step 3: Cross multiply
    753,862.03x = 1,040,339.97 × 409,704.77
  4. Step 4: Simplify right side
    753,862.03x = 426,232,248,130.66
  5. Step 5: Solve for x
    x = 426,232,248,130.66/753,862.03
  6. Step 6: Final answer
    x = 565,398.22

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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.