Home / 634,310.22-875,305.35-347,824.20

Finding the Fourth Proportional to 634,310.22, 875,305.35 and 347,824.20

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Solution

The fourth proportional to 634,310.22, 875,305.35 and 347,824.20 is: 479,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,310.22 : 875,305.35 = 347,824.20 : x
  2. Step 2: Convert to fraction form
    634,310.22/875,305.35 = 347,824.20/x
  3. Step 3: Cross multiply
    634,310.22x = 875,305.35 × 347,824.20
  4. Step 4: Simplify right side
    634,310.22x = 304,452,383,119.47
  5. Step 5: Solve for x
    x = 304,452,383,119.47/634,310.22
  6. Step 6: Final answer
    x = 479,973.95

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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.