Home / 677,486.06-1,016,325.76-221,979.88

Finding the Fourth Proportional to 677,486.06, 1,016,325.76 and 221,979.88

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Solution

The fourth proportional to 677,486.06, 1,016,325.76 and 221,979.88 is: 333,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,486.06 : 1,016,325.76 = 221,979.88 : x
  2. Step 2: Convert to fraction form
    677,486.06/1,016,325.76 = 221,979.88/x
  3. Step 3: Cross multiply
    677,486.06x = 1,016,325.76 × 221,979.88
  4. Step 4: Simplify right side
    677,486.06x = 225,603,870,245.71
  5. Step 5: Solve for x
    x = 225,603,870,245.71/677,486.06
  6. Step 6: Final answer
    x = 333,001.49

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1.5x scale

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.