Home / 611,452.10-843,819.72-339,531.46

Finding the Fourth Proportional to 611,452.10, 843,819.72 and 339,531.46

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Solution

The fourth proportional to 611,452.10, 843,819.72 and 339,531.46 is: 468,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,452.10 : 843,819.72 = 339,531.46 : x
  2. Step 2: Convert to fraction form
    611,452.10/843,819.72 = 339,531.46/x
  3. Step 3: Cross multiply
    611,452.10x = 843,819.72 × 339,531.46
  4. Step 4: Simplify right side
    611,452.10x = 286,503,341,508.39
  5. Step 5: Solve for x
    x = 286,503,341,508.39/611,452.10
  6. Step 6: Final answer
    x = 468,562.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.