Home / 684,581.22-1,027,376.36-324,753.20

Finding the Fourth Proportional to 684,581.22, 1,027,376.36 and 324,753.20

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Solution

The fourth proportional to 684,581.22, 1,027,376.36 and 324,753.20 is: 487,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,581.22 : 1,027,376.36 = 324,753.20 : x
  2. Step 2: Convert to fraction form
    684,581.22/1,027,376.36 = 324,753.20/x
  3. Step 3: Cross multiply
    684,581.22x = 1,027,376.36 × 324,753.20
  4. Step 4: Simplify right side
    684,581.22x = 333,643,760,514.35
  5. Step 5: Solve for x
    x = 333,643,760,514.35/684,581.22
  6. Step 6: Final answer
    x = 487,369.14

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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.