Home / 684,579.72-1,027,374.11-324,751.70

Finding the Fourth Proportional to 684,579.72, 1,027,374.11 and 324,751.70

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Solution

The fourth proportional to 684,579.72, 1,027,374.11 and 324,751.70 is: 487,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,579.72 : 1,027,374.11 = 324,751.70 : x
  2. Step 2: Convert to fraction form
    684,579.72/1,027,374.11 = 324,751.70/x
  3. Step 3: Cross multiply
    684,579.72x = 1,027,374.11 × 324,751.70
  4. Step 4: Simplify right side
    684,579.72x = 333,641,483,621.62
  5. Step 5: Solve for x
    x = 333,641,483,621.62/684,579.72
  6. Step 6: Final answer
    x = 487,366.89

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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.