Home / 874,286.96-1,311,432.78-243,200.84

Finding the Fourth Proportional to 874,286.96, 1,311,432.78 and 243,200.84

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Solution

The fourth proportional to 874,286.96, 1,311,432.78 and 243,200.84 is: 364,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,286.96 : 1,311,432.78 = 243,200.84 : x
  2. Step 2: Convert to fraction form
    874,286.96/1,311,432.78 = 243,200.84/x
  3. Step 3: Cross multiply
    874,286.96x = 1,311,432.78 × 243,200.84
  4. Step 4: Simplify right side
    874,286.96x = 318,941,553,699.54
  5. Step 5: Solve for x
    x = 318,941,553,699.54/874,286.96
  6. Step 6: Final answer
    x = 364,801.91

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Double scale
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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.