Home / 1,098,276.96-1,647,461.52-388,310.88

Finding the Fourth Proportional to 1,098,276.96, 1,647,461.52 and 388,310.88

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Solution

The fourth proportional to 1,098,276.96, 1,647,461.52 and 388,310.88 is: 582,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,276.96 : 1,647,461.52 = 388,310.88 : x
  2. Step 2: Convert to fraction form
    1,098,276.96/1,647,461.52 = 388,310.88/x
  3. Step 3: Cross multiply
    1,098,276.96x = 1,647,461.52 × 388,310.88
  4. Step 4: Simplify right side
    1,098,276.96x = 639,727,232,597.34
  5. Step 5: Solve for x
    x = 639,727,232,597.34/1,098,276.96
  6. Step 6: Final answer
    x = 582,482.61

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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.