Home / 818,620.62-1,228,097.02-257,524.62

Finding the Fourth Proportional to 818,620.62, 1,228,097.02 and 257,524.62

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Solution

The fourth proportional to 818,620.62, 1,228,097.02 and 257,524.62 is: 386,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,620.62 : 1,228,097.02 = 257,524.62 : x
  2. Step 2: Convert to fraction form
    818,620.62/1,228,097.02 = 257,524.62/x
  3. Step 3: Cross multiply
    818,620.62x = 1,228,097.02 × 257,524.62
  4. Step 4: Simplify right side
    818,620.62x = 316,265,218,398.63
  5. Step 5: Solve for x
    x = 316,265,218,398.63/818,620.62
  6. Step 6: Final answer
    x = 386,339.18

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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.