Home / 684,910.08-1,027,568.64-329,821.44

Finding the Fourth Proportional to 684,910.08, 1,027,568.64 and 329,821.44

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Solution

The fourth proportional to 684,910.08, 1,027,568.64 and 329,821.44 is: 494,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,910.08 : 1,027,568.64 = 329,821.44 : x
  2. Step 2: Convert to fraction form
    684,910.08/1,027,568.64 = 329,821.44/x
  3. Step 3: Cross multiply
    684,910.08x = 1,027,568.64 × 329,821.44
  4. Step 4: Simplify right side
    684,910.08x = 338,914,168,543.64
  5. Step 5: Solve for x
    x = 338,914,168,543.64/684,910.08
  6. Step 6: Final answer
    x = 494,830.17

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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.