Home / 821,508.12-1,232,402.30-366,264.54

Finding the Fourth Proportional to 821,508.12, 1,232,402.30 and 366,264.54

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Solution

The fourth proportional to 821,508.12, 1,232,402.30 and 366,264.54 is: 549,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,508.12 : 1,232,402.30 = 366,264.54 : x
  2. Step 2: Convert to fraction form
    821,508.12/1,232,402.30 = 366,264.54/x
  3. Step 3: Cross multiply
    821,508.12x = 1,232,402.30 × 366,264.54
  4. Step 4: Simplify right side
    821,508.12x = 451,385,259,673.12
  5. Step 5: Solve for x
    x = 451,385,259,673.12/821,508.12
  6. Step 6: Final answer
    x = 549,459.28

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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.