Home / 677,465.90-1,016,199.29-172,064.78

Finding the Fourth Proportional to 677,465.90, 1,016,199.29 and 172,064.78

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Solution

The fourth proportional to 677,465.90, 1,016,199.29 and 172,064.78 is: 258,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,465.90 : 1,016,199.29 = 172,064.78 : x
  2. Step 2: Convert to fraction form
    677,465.90/1,016,199.29 = 172,064.78/x
  3. Step 3: Cross multiply
    677,465.90x = 1,016,199.29 × 172,064.78
  4. Step 4: Simplify right side
    677,465.90x = 174,852,107,270.01
  5. Step 5: Solve for x
    x = 174,852,107,270.01/677,465.90
  6. Step 6: Final answer
    x = 258,097.28

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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.