Home / 808,218.60-1,212,327.90-247,252.20

Finding the Fourth Proportional to 808,218.60, 1,212,327.90 and 247,252.20

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Solution

The fourth proportional to 808,218.60, 1,212,327.90 and 247,252.20 is: 370,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218.60 : 1,212,327.90 = 247,252.20 : x
  2. Step 2: Convert to fraction form
    808,218.60/1,212,327.90 = 247,252.20/x
  3. Step 3: Cross multiply
    808,218.60x = 1,212,327.90 × 247,252.20
  4. Step 4: Simplify right side
    808,218.60x = 299,750,740,396.38
  5. Step 5: Solve for x
    x = 299,750,740,396.38/808,218.60
  6. Step 6: Final answer
    x = 370,878.30

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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.