Home / 693,602.10-1,040,403.15-220,335.30

Finding the Fourth Proportional to 693,602.10, 1,040,403.15 and 220,335.30

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Solution

The fourth proportional to 693,602.10, 1,040,403.15 and 220,335.30 is: 330,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,602.10 : 1,040,403.15 = 220,335.30 : x
  2. Step 2: Convert to fraction form
    693,602.10/1,040,403.15 = 220,335.30/x
  3. Step 3: Cross multiply
    693,602.10x = 1,040,403.15 × 220,335.30
  4. Step 4: Simplify right side
    693,602.10x = 229,237,540,176.20
  5. Step 5: Solve for x
    x = 229,237,540,176.20/693,602.10
  6. Step 6: Final answer
    x = 330,502.95

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Double scale
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Similar ratio
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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.