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Finding the Fourth Proportional to 650,604.06, 897,726.47 and 408,715.33

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Solution

The fourth proportional to 650,604.06, 897,726.47 and 408,715.33 is: 563,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,604.06 : 897,726.47 = 408,715.33 : x
  2. Step 2: Convert to fraction form
    650,604.06/897,726.47 = 408,715.33/x
  3. Step 3: Cross multiply
    650,604.06x = 897,726.47 × 408,715.33
  4. Step 4: Simplify right side
    650,604.06x = 366,914,570,435.79
  5. Step 5: Solve for x
    x = 366,914,570,435.79/650,604.06
  6. Step 6: Final answer
    x = 563,959.86

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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.