Home / 762,362.78-1,052,062.27-418,201.54

Finding the Fourth Proportional to 762,362.78, 1,052,062.27 and 418,201.54

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Solution

The fourth proportional to 762,362.78, 1,052,062.27 and 418,201.54 is: 577,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,362.78 : 1,052,062.27 = 418,201.54 : x
  2. Step 2: Convert to fraction form
    762,362.78/1,052,062.27 = 418,201.54/x
  3. Step 3: Cross multiply
    762,362.78x = 1,052,062.27 × 418,201.54
  4. Step 4: Simplify right side
    762,362.78x = 439,974,061,489.90
  5. Step 5: Solve for x
    x = 439,974,061,489.90/762,362.78
  6. Step 6: Final answer
    x = 577,119.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.