Home / 488,921.09-733,592.36-264,439.55

Finding the Fourth Proportional to 488,921.09, 733,592.36 and 264,439.55

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Solution

The fourth proportional to 488,921.09, 733,592.36 and 264,439.55 is: 396,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,921.09 : 733,592.36 = 264,439.55 : x
  2. Step 2: Convert to fraction form
    488,921.09/733,592.36 = 264,439.55/x
  3. Step 3: Cross multiply
    488,921.09x = 733,592.36 × 264,439.55
  4. Step 4: Simplify right side
    488,921.09x = 193,990,833,561.84
  5. Step 5: Solve for x
    x = 193,990,833,561.84/488,921.09
  6. Step 6: Final answer
    x = 396,773.30

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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.