Home / 677,478.72-1,016,218.44-172,077.60

Finding the Fourth Proportional to 677,478.72, 1,016,218.44 and 172,077.60

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Solution

The fourth proportional to 677,478.72, 1,016,218.44 and 172,077.60 is: 258,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,478.72 : 1,016,218.44 = 172,077.60 : x
  2. Step 2: Convert to fraction form
    677,478.72/1,016,218.44 = 172,077.60/x
  3. Step 3: Cross multiply
    677,478.72x = 1,016,218.44 × 172,077.60
  4. Step 4: Simplify right side
    677,478.72x = 174,868,430,230.94
  5. Step 5: Solve for x
    x = 174,868,430,230.94/677,478.72
  6. Step 6: Final answer
    x = 258,116.49

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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.