Home / 764,167.90-1,146,181.56-258,671.10

Finding the Fourth Proportional to 764,167.90, 1,146,181.56 and 258,671.10

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Solution

The fourth proportional to 764,167.90, 1,146,181.56 and 258,671.10 is: 387,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,167.90 : 1,146,181.56 = 258,671.10 : x
  2. Step 2: Convert to fraction form
    764,167.90/1,146,181.56 = 258,671.10/x
  3. Step 3: Cross multiply
    764,167.90x = 1,146,181.56 × 258,671.10
  4. Step 4: Simplify right side
    764,167.90x = 296,484,039,194.01
  5. Step 5: Solve for x
    x = 296,484,039,194.01/764,167.90
  6. Step 6: Final answer
    x = 387,982.85

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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.