Home / 810,682.20-1,216,023.30-361,402.20

Finding the Fourth Proportional to 810,682.20, 1,216,023.30 and 361,402.20

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Solution

The fourth proportional to 810,682.20, 1,216,023.30 and 361,402.20 is: 542,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,682.20 : 1,216,023.30 = 361,402.20 : x
  2. Step 2: Convert to fraction form
    810,682.20/1,216,023.30 = 361,402.20/x
  3. Step 3: Cross multiply
    810,682.20x = 1,216,023.30 × 361,402.20
  4. Step 4: Simplify right side
    810,682.20x = 439,473,495,871.26
  5. Step 5: Solve for x
    x = 439,473,495,871.26/810,682.20
  6. Step 6: Final answer
    x = 542,103.30

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Double scale
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Similar ratio
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1.5x scale

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.