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Finding the Fourth Proportional to 768,266.32, 1,060,201.47 and 446,006.38

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Solution

The fourth proportional to 768,266.32, 1,060,201.47 and 446,006.38 is: 615,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,266.32 : 1,060,201.47 = 446,006.38 : x
  2. Step 2: Convert to fraction form
    768,266.32/1,060,201.47 = 446,006.38/x
  3. Step 3: Cross multiply
    768,266.32x = 1,060,201.47 × 446,006.38
  4. Step 4: Simplify right side
    768,266.32x = 472,856,619,705.38
  5. Step 5: Solve for x
    x = 472,856,619,705.38/768,266.32
  6. Step 6: Final answer
    x = 615,485.29

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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.