Home / 677,447.86-1,016,172.23-172,046.74

Finding the Fourth Proportional to 677,447.86, 1,016,172.23 and 172,046.74

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Solution

The fourth proportional to 677,447.86, 1,016,172.23 and 172,046.74 is: 258,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,447.86 : 1,016,172.23 = 172,046.74 : x
  2. Step 2: Convert to fraction form
    677,447.86/1,016,172.23 = 172,046.74/x
  3. Step 3: Cross multiply
    677,447.86x = 1,016,172.23 × 172,046.74
  4. Step 4: Simplify right side
    677,447.86x = 174,829,119,450.03
  5. Step 5: Solve for x
    x = 174,829,119,450.03/677,447.86
  6. Step 6: Final answer
    x = 258,070.22

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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.