Home / 677,968.80-1,016,920.80-228,645.60

Finding the Fourth Proportional to 677,968.80, 1,016,920.80 and 228,645.60

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Solution

The fourth proportional to 677,968.80, 1,016,920.80 and 228,645.60 is: 342,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,968.80 : 1,016,920.80 = 228,645.60 : x
  2. Step 2: Convert to fraction form
    677,968.80/1,016,920.80 = 228,645.60/x
  3. Step 3: Cross multiply
    677,968.80x = 1,016,920.80 × 228,645.60
  4. Step 4: Simplify right side
    677,968.80x = 232,514,466,468.48
  5. Step 5: Solve for x
    x = 232,514,466,468.48/677,968.80
  6. Step 6: Final answer
    x = 342,957.47

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1.5x scale

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.