Home / 677,948.40-1,016,981.64-222,403

Finding the Fourth Proportional to 677,948.40, 1,016,981.64 and 222,403

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Solution

The fourth proportional to 677,948.40, 1,016,981.64 and 222,403 is: 333,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,948.40 : 1,016,981.64 = 222,403 : x
  2. Step 2: Convert to fraction form
    677,948.40/1,016,981.64 = 222,403/x
  3. Step 3: Cross multiply
    677,948.40x = 1,016,981.64 × 222,403
  4. Step 4: Simplify right side
    677,948.40x = 226,179,767,680.92
  5. Step 5: Solve for x
    x = 226,179,767,680.92/677,948.40
  6. Step 6: Final answer
    x = 333,623.87

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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.