Home / 851,265.30-1,276,620.12-282,493.60

Finding the Fourth Proportional to 851,265.30, 1,276,620.12 and 282,493.60

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Solution

The fourth proportional to 851,265.30, 1,276,620.12 and 282,493.60 is: 423,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,265.30 : 1,276,620.12 = 282,493.60 : x
  2. Step 2: Convert to fraction form
    851,265.30/1,276,620.12 = 282,493.60/x
  3. Step 3: Cross multiply
    851,265.30x = 1,276,620.12 × 282,493.60
  4. Step 4: Simplify right side
    851,265.30x = 360,637,013,531.23
  5. Step 5: Solve for x
    x = 360,637,013,531.23/851,265.30
  6. Step 6: Final answer
    x = 423,648.20

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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.