Home / 677,432-1,016,148.48-172,030.88

Finding the Fourth Proportional to 677,432, 1,016,148.48 and 172,030.88

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Solution

The fourth proportional to 677,432, 1,016,148.48 and 172,030.88 is: 258,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,432 : 1,016,148.48 = 172,030.88 : x
  2. Step 2: Convert to fraction form
    677,432/1,016,148.48 = 172,030.88/x
  3. Step 3: Cross multiply
    677,432x = 1,016,148.48 × 172,030.88
  4. Step 4: Simplify right side
    677,432x = 174,808,917,225.06
  5. Step 5: Solve for x
    x = 174,808,917,225.06/677,432
  6. Step 6: Final answer
    x = 258,046.44

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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.