Home / 579,815.57-869,805.36-180,496.64

Finding the Fourth Proportional to 579,815.57, 869,805.36 and 180,496.64

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Solution

The fourth proportional to 579,815.57, 869,805.36 and 180,496.64 is: 270,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,815.57 : 869,805.36 = 180,496.64 : x
  2. Step 2: Convert to fraction form
    579,815.57/869,805.36 = 180,496.64/x
  3. Step 3: Cross multiply
    579,815.57x = 869,805.36 × 180,496.64
  4. Step 4: Simplify right side
    579,815.57x = 156,996,940,584.96
  5. Step 5: Solve for x
    x = 156,996,940,584.96/579,815.57
  6. Step 6: Final answer
    x = 270,770.48

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1.5x scale

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.