Home / 851,695.18-1,278,383.40-452,334.82

Finding the Fourth Proportional to 851,695.18, 1,278,383.40 and 452,334.82

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Solution

The fourth proportional to 851,695.18, 1,278,383.40 and 452,334.82 is: 678,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,695.18 : 1,278,383.40 = 452,334.82 : x
  2. Step 2: Convert to fraction form
    851,695.18/1,278,383.40 = 452,334.82/x
  3. Step 3: Cross multiply
    851,695.18x = 1,278,383.40 × 452,334.82
  4. Step 4: Simplify right side
    851,695.18x = 578,257,325,129.99
  5. Step 5: Solve for x
    x = 578,257,325,129.99/851,695.18
  6. Step 6: Final answer
    x = 678,948.69

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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.