Home / 851,042.32-1,276,567.68-252,014.80

Finding the Fourth Proportional to 851,042.32, 1,276,567.68 and 252,014.80

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Solution

The fourth proportional to 851,042.32, 1,276,567.68 and 252,014.80 is: 378,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,042.32 : 1,276,567.68 = 252,014.80 : x
  2. Step 2: Convert to fraction form
    851,042.32/1,276,567.68 = 252,014.80/x
  3. Step 3: Cross multiply
    851,042.32x = 1,276,567.68 × 252,014.80
  4. Step 4: Simplify right side
    851,042.32x = 321,713,948,561.66
  5. Step 5: Solve for x
    x = 321,713,948,561.66/851,042.32
  6. Step 6: Final answer
    x = 378,023.44

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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.