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Finding the Fourth Proportional to 872,626.92, 1,308,969 and 241,487.88

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Solution

The fourth proportional to 872,626.92, 1,308,969 and 241,487.88 is: 362,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,626.92 : 1,308,969 = 241,487.88 : x
  2. Step 2: Convert to fraction form
    872,626.92/1,308,969 = 241,487.88/x
  3. Step 3: Cross multiply
    872,626.92x = 1,308,969 × 241,487.88
  4. Step 4: Simplify right side
    872,626.92x = 316,100,148,795.72
  5. Step 5: Solve for x
    x = 316,100,148,795.72/872,626.92
  6. Step 6: Final answer
    x = 362,239.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.