Home / 677,473.55-1,016,210.74-172,072.43

Finding the Fourth Proportional to 677,473.55, 1,016,210.74 and 172,072.43

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Solution

The fourth proportional to 677,473.55, 1,016,210.74 and 172,072.43 is: 258,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,473.55 : 1,016,210.74 = 172,072.43 : x
  2. Step 2: Convert to fraction form
    677,473.55/1,016,210.74 = 172,072.43/x
  3. Step 3: Cross multiply
    677,473.55x = 1,016,210.74 × 172,072.43
  4. Step 4: Simplify right side
    677,473.55x = 174,861,845,912.66
  5. Step 5: Solve for x
    x = 174,861,845,912.66/677,473.55
  6. Step 6: Final answer
    x = 258,108.74

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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.