Home / 851,808.60-1,277,712.90-252,862.20

Finding the Fourth Proportional to 851,808.60, 1,277,712.90 and 252,862.20

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Solution

The fourth proportional to 851,808.60, 1,277,712.90 and 252,862.20 is: 379,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,808.60 : 1,277,712.90 = 252,862.20 : x
  2. Step 2: Convert to fraction form
    851,808.60/1,277,712.90 = 252,862.20/x
  3. Step 3: Cross multiply
    851,808.60x = 1,277,712.90 × 252,862.20
  4. Step 4: Simplify right side
    851,808.60x = 323,085,294,862.38
  5. Step 5: Solve for x
    x = 323,085,294,862.38/851,808.60
  6. Step 6: Final answer
    x = 379,293.30

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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.