Home / 684,982.26-1,027,353.08-211,671.72

Finding the Fourth Proportional to 684,982.26, 1,027,353.08 and 211,671.72

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Solution

The fourth proportional to 684,982.26, 1,027,353.08 and 211,671.72 is: 317,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,982.26 : 1,027,353.08 = 211,671.72 : x
  2. Step 2: Convert to fraction form
    684,982.26/1,027,353.08 = 211,671.72/x
  3. Step 3: Cross multiply
    684,982.26x = 1,027,353.08 × 211,671.72
  4. Step 4: Simplify right side
    684,982.26x = 217,461,592,432.54
  5. Step 5: Solve for x
    x = 217,461,592,432.54/684,982.26
  6. Step 6: Final answer
    x = 317,470.40

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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.