Home / 677,808.40-1,016,719.80-204,497.86

Finding the Fourth Proportional to 677,808.40, 1,016,719.80 and 204,497.86

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Solution

The fourth proportional to 677,808.40, 1,016,719.80 and 204,497.86 is: 306,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,808.40 : 1,016,719.80 = 204,497.86 : x
  2. Step 2: Convert to fraction form
    677,808.40/1,016,719.80 = 204,497.86/x
  3. Step 3: Cross multiply
    677,808.40x = 1,016,719.80 × 204,497.86
  4. Step 4: Simplify right side
    677,808.40x = 207,917,023,319.63
  5. Step 5: Solve for x
    x = 207,917,023,319.63/677,808.40
  6. Step 6: Final answer
    x = 306,748.96

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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.