Home / 676,820.80-1,015,231.20-558,625.60

Finding the Fourth Proportional to 676,820.80, 1,015,231.20 and 558,625.60

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Solution

The fourth proportional to 676,820.80, 1,015,231.20 and 558,625.60 is: 837,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,820.80 : 1,015,231.20 = 558,625.60 : x
  2. Step 2: Convert to fraction form
    676,820.80/1,015,231.20 = 558,625.60/x
  3. Step 3: Cross multiply
    676,820.80x = 1,015,231.20 × 558,625.60
  4. Step 4: Simplify right side
    676,820.80x = 567,134,138,238.72
  5. Step 5: Solve for x
    x = 567,134,138,238.72/676,820.80
  6. Step 6: Final answer
    x = 837,938.40

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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.