Home / 677,781.04-1,015,962.20-228,346.60

Finding the Fourth Proportional to 677,781.04, 1,015,962.20 and 228,346.60

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Solution

The fourth proportional to 677,781.04, 1,015,962.20 and 228,346.60 is: 342,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,781.04 : 1,015,962.20 = 228,346.60 : x
  2. Step 2: Convert to fraction form
    677,781.04/1,015,962.20 = 228,346.60/x
  3. Step 3: Cross multiply
    677,781.04x = 1,015,962.20 × 228,346.60
  4. Step 4: Simplify right side
    677,781.04x = 231,991,514,098.52
  5. Step 5: Solve for x
    x = 231,991,514,098.52/677,781.04
  6. Step 6: Final answer
    x = 342,280.91

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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.