Home / 869,725.41-1,200,218.76-487,760.37

Finding the Fourth Proportional to 869,725.41, 1,200,218.76 and 487,760.37

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Solution

The fourth proportional to 869,725.41, 1,200,218.76 and 487,760.37 is: 673,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,725.41 : 1,200,218.76 = 487,760.37 : x
  2. Step 2: Convert to fraction form
    869,725.41/1,200,218.76 = 487,760.37/x
  3. Step 3: Cross multiply
    869,725.41x = 1,200,218.76 × 487,760.37
  4. Step 4: Simplify right side
    869,725.41x = 585,419,146,458.54
  5. Step 5: Solve for x
    x = 585,419,146,458.54/869,725.41
  6. Step 6: Final answer
    x = 673,108.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.