Home / 677,442.98-1,016,164.91-172,041.86

Finding the Fourth Proportional to 677,442.98, 1,016,164.91 and 172,041.86

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Solution

The fourth proportional to 677,442.98, 1,016,164.91 and 172,041.86 is: 258,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,442.98 : 1,016,164.91 = 172,041.86 : x
  2. Step 2: Convert to fraction form
    677,442.98/1,016,164.91 = 172,041.86/x
  3. Step 3: Cross multiply
    677,442.98x = 1,016,164.91 × 172,041.86
  4. Step 4: Simplify right side
    677,442.98x = 174,822,904,153.65
  5. Step 5: Solve for x
    x = 174,822,904,153.65/677,442.98
  6. Step 6: Final answer
    x = 258,062.91

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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.