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Finding the Fourth Proportional to 650,555.44, 898,317.61 and 408,915.84

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Solution

The fourth proportional to 650,555.44, 898,317.61 and 408,915.84 is: 564,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,555.44 : 898,317.61 = 408,915.84 : x
  2. Step 2: Convert to fraction form
    650,555.44/898,317.61 = 408,915.84/x
  3. Step 3: Cross multiply
    650,555.44x = 898,317.61 × 408,915.84
  4. Step 4: Simplify right side
    650,555.44x = 367,336,293,543.78
  5. Step 5: Solve for x
    x = 367,336,293,543.78/650,555.44
  6. Step 6: Final answer
    x = 564,650.25

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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.