Home / 612,452.61-845,204.13-340,531.97

Finding the Fourth Proportional to 612,452.61, 845,204.13 and 340,531.97

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Solution

The fourth proportional to 612,452.61, 845,204.13 and 340,531.97 is: 469,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,452.61 : 845,204.13 = 340,531.97 : x
  2. Step 2: Convert to fraction form
    612,452.61/845,204.13 = 340,531.97/x
  3. Step 3: Cross multiply
    612,452.61x = 845,204.13 × 340,531.97
  4. Step 4: Simplify right side
    612,452.61x = 287,819,023,215.02
  5. Step 5: Solve for x
    x = 287,819,023,215.02/612,452.61
  6. Step 6: Final answer
    x = 469,944.97

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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.