Home / 885,114.60-1,327,518.30-323,860.20

Finding the Fourth Proportional to 885,114.60, 1,327,518.30 and 323,860.20

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Solution

The fourth proportional to 885,114.60, 1,327,518.30 and 323,860.20 is: 485,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,114.60 : 1,327,518.30 = 323,860.20 : x
  2. Step 2: Convert to fraction form
    885,114.60/1,327,518.30 = 323,860.20/x
  3. Step 3: Cross multiply
    885,114.60x = 1,327,518.30 × 323,860.20
  4. Step 4: Simplify right side
    885,114.60x = 429,930,342,141.66
  5. Step 5: Solve for x
    x = 429,930,342,141.66/885,114.60
  6. Step 6: Final answer
    x = 485,734.10

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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.