Home / 821,492.39-1,229,241.17-484,694.39

Finding the Fourth Proportional to 821,492.39, 1,229,241.17 and 484,694.39

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Solution

The fourth proportional to 821,492.39, 1,229,241.17 and 484,694.39 is: 725,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,492.39 : 1,229,241.17 = 484,694.39 : x
  2. Step 2: Convert to fraction form
    821,492.39/1,229,241.17 = 484,694.39/x
  3. Step 3: Cross multiply
    821,492.39x = 1,229,241.17 × 484,694.39
  4. Step 4: Simplify right side
    821,492.39x = 595,806,290,486.36
  5. Step 5: Solve for x
    x = 595,806,290,486.36/821,492.39
  6. Step 6: Final answer
    x = 725,273.05

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Double scale
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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.