Home / 677,489.44-1,016,234.52-172,088.32

Finding the Fourth Proportional to 677,489.44, 1,016,234.52 and 172,088.32

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Solution

The fourth proportional to 677,489.44, 1,016,234.52 and 172,088.32 is: 258,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,489.44 : 1,016,234.52 = 172,088.32 : x
  2. Step 2: Convert to fraction form
    677,489.44/1,016,234.52 = 172,088.32/x
  3. Step 3: Cross multiply
    677,489.44x = 1,016,234.52 × 172,088.32
  4. Step 4: Simplify right side
    677,489.44x = 174,882,091,272.81
  5. Step 5: Solve for x
    x = 174,882,091,272.81/677,489.44
  6. Step 6: Final answer
    x = 258,132.57

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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.