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Finding the Fourth Proportional to 650,173.16, 896,759.70 and 469,481.60

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Solution

The fourth proportional to 650,173.16, 896,759.70 and 469,481.60 is: 647,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,173.16 : 896,759.70 = 469,481.60 : x
  2. Step 2: Convert to fraction form
    650,173.16/896,759.70 = 469,481.60/x
  3. Step 3: Cross multiply
    650,173.16x = 896,759.70 × 469,481.60
  4. Step 4: Simplify right side
    650,173.16x = 421,012,178,771.52
  5. Step 5: Solve for x
    x = 421,012,178,771.52/650,173.16
  6. Step 6: Final answer
    x = 647,538.54

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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.