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Finding the Fourth Proportional to 928,929, 1,393,627.68 and 264,081

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Solution

The fourth proportional to 928,929, 1,393,627.68 and 264,081 is: 396,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,929 : 1,393,627.68 = 264,081 : x
  2. Step 2: Convert to fraction form
    928,929/1,393,627.68 = 264,081/x
  3. Step 3: Cross multiply
    928,929x = 1,393,627.68 × 264,081
  4. Step 4: Simplify right side
    928,929x = 368,030,591,362.08
  5. Step 5: Solve for x
    x = 368,030,591,362.08/928,929
  6. Step 6: Final answer
    x = 396,188.07

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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.