Home / 677,488.48-1,016,233.12-172,087.36

Finding the Fourth Proportional to 677,488.48, 1,016,233.12 and 172,087.36

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Solution

The fourth proportional to 677,488.48, 1,016,233.12 and 172,087.36 is: 258,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,488.48 : 1,016,233.12 = 172,087.36 : x
  2. Step 2: Convert to fraction form
    677,488.48/1,016,233.12 = 172,087.36/x
  3. Step 3: Cross multiply
    677,488.48x = 1,016,233.12 × 172,087.36
  4. Step 4: Simplify right side
    677,488.48x = 174,880,874,765.36
  5. Step 5: Solve for x
    x = 174,880,874,765.36/677,488.48
  6. Step 6: Final answer
    x = 258,131.14

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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.