Home / 764,486.41-1,146,013.42-258,693.29

Finding the Fourth Proportional to 764,486.41, 1,146,013.42 and 258,693.29

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Solution

The fourth proportional to 764,486.41, 1,146,013.42 and 258,693.29 is: 387,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,486.41 : 1,146,013.42 = 258,693.29 : x
  2. Step 2: Convert to fraction form
    764,486.41/1,146,013.42 = 258,693.29/x
  3. Step 3: Cross multiply
    764,486.41x = 1,146,013.42 × 258,693.29
  4. Step 4: Simplify right side
    764,486.41x = 296,465,982,003.95
  5. Step 5: Solve for x
    x = 296,465,982,003.95/764,486.41
  6. Step 6: Final answer
    x = 387,797.58

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Double scale
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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.