Home / 677,464.90-1,016,197.79-172,063.78

Finding the Fourth Proportional to 677,464.90, 1,016,197.79 and 172,063.78

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Solution

The fourth proportional to 677,464.90, 1,016,197.79 and 172,063.78 is: 258,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,464.90 : 1,016,197.79 = 172,063.78 : x
  2. Step 2: Convert to fraction form
    677,464.90/1,016,197.79 = 172,063.78/x
  3. Step 3: Cross multiply
    677,464.90x = 1,016,197.79 × 172,063.78
  4. Step 4: Simplify right side
    677,464.90x = 174,850,829,574.23
  5. Step 5: Solve for x
    x = 174,850,829,574.23/677,464.90
  6. Step 6: Final answer
    x = 258,095.78

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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.