Home / 858,002.10-1,286,614.35-325,346.10

Finding the Fourth Proportional to 858,002.10, 1,286,614.35 and 325,346.10

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Solution

The fourth proportional to 858,002.10, 1,286,614.35 and 325,346.10 is: 487,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,002.10 : 1,286,614.35 = 325,346.10 : x
  2. Step 2: Convert to fraction form
    858,002.10/1,286,614.35 = 325,346.10/x
  3. Step 3: Cross multiply
    858,002.10x = 1,286,614.35 × 325,346.10
  4. Step 4: Simplify right side
    858,002.10x = 418,594,960,976.54
  5. Step 5: Solve for x
    x = 418,594,960,976.54/858,002.10
  6. Step 6: Final answer
    x = 487,871.72

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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.