Home / 676,684.80-1,015,027.20-558,489.60

Finding the Fourth Proportional to 676,684.80, 1,015,027.20 and 558,489.60

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Solution

The fourth proportional to 676,684.80, 1,015,027.20 and 558,489.60 is: 837,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,684.80 : 1,015,027.20 = 558,489.60 : x
  2. Step 2: Convert to fraction form
    676,684.80/1,015,027.20 = 558,489.60/x
  3. Step 3: Cross multiply
    676,684.80x = 1,015,027.20 × 558,489.60
  4. Step 4: Simplify right side
    676,684.80x = 566,882,134,917.12
  5. Step 5: Solve for x
    x = 566,882,134,917.12/676,684.80
  6. Step 6: Final answer
    x = 837,734.40

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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.