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Finding the Fourth Proportional to 768,859.17, 1,060,846.09 and 446,375.08

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Solution

The fourth proportional to 768,859.17, 1,060,846.09 and 446,375.08 is: 615,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,859.17 : 1,060,846.09 = 446,375.08 : x
  2. Step 2: Convert to fraction form
    768,859.17/1,060,846.09 = 446,375.08/x
  3. Step 3: Cross multiply
    768,859.17x = 1,060,846.09 × 446,375.08
  4. Step 4: Simplify right side
    768,859.17x = 473,535,258,291.44
  5. Step 5: Solve for x
    x = 473,535,258,291.44/768,859.17
  6. Step 6: Final answer
    x = 615,893.36

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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.