Home / 858,009.10-1,286,624.85-325,353.10

Finding the Fourth Proportional to 858,009.10, 1,286,624.85 and 325,353.10

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Solution

The fourth proportional to 858,009.10, 1,286,624.85 and 325,353.10 is: 487,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,009.10 : 1,286,624.85 = 325,353.10 : x
  2. Step 2: Convert to fraction form
    858,009.10/1,286,624.85 = 325,353.10/x
  3. Step 3: Cross multiply
    858,009.10x = 1,286,624.85 × 325,353.10
  4. Step 4: Simplify right side
    858,009.10x = 418,607,383,484.54
  5. Step 5: Solve for x
    x = 418,607,383,484.54/858,009.10
  6. Step 6: Final answer
    x = 487,882.22

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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.