Home / 781,284.60-1,171,972.68-301,514.92

Finding the Fourth Proportional to 781,284.60, 1,171,972.68 and 301,514.92

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Solution

The fourth proportional to 781,284.60, 1,171,972.68 and 301,514.92 is: 452,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,284.60 : 1,171,972.68 = 301,514.92 : x
  2. Step 2: Convert to fraction form
    781,284.60/1,171,972.68 = 301,514.92/x
  3. Step 3: Cross multiply
    781,284.60x = 1,171,972.68 × 301,514.92
  4. Step 4: Simplify right side
    781,284.60x = 353,367,248,852.39
  5. Step 5: Solve for x
    x = 353,367,248,852.39/781,284.60
  6. Step 6: Final answer
    x = 452,290.05

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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.