Home / 677,892.35-1,016,844.47-172,453.86

Finding the Fourth Proportional to 677,892.35, 1,016,844.47 and 172,453.86

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Solution

The fourth proportional to 677,892.35, 1,016,844.47 and 172,453.86 is: 258,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,892.35 : 1,016,844.47 = 172,453.86 : x
  2. Step 2: Convert to fraction form
    677,892.35/1,016,844.47 = 172,453.86/x
  3. Step 3: Cross multiply
    677,892.35x = 1,016,844.47 × 172,453.86
  4. Step 4: Simplify right side
    677,892.35x = 175,358,749,218.07
  5. Step 5: Solve for x
    x = 175,358,749,218.07/677,892.35
  6. Step 6: Final answer
    x = 258,682.30

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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.