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Finding the Fourth Proportional to 650,606.12, 897,729.32 and 408,717.39

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Solution

The fourth proportional to 650,606.12, 897,729.32 and 408,717.39 is: 563,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,606.12 : 897,729.32 = 408,717.39 : x
  2. Step 2: Convert to fraction form
    650,606.12/897,729.32 = 408,717.39/x
  3. Step 3: Cross multiply
    650,606.12x = 897,729.32 × 408,717.39
  4. Step 4: Simplify right side
    650,606.12x = 366,917,584,596.88
  5. Step 5: Solve for x
    x = 366,917,584,596.88/650,606.12
  6. Step 6: Final answer
    x = 563,962.71

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1.5x scale

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.