Home / 762,086.82-1,143,130.54-282,479.54

Finding the Fourth Proportional to 762,086.82, 1,143,130.54 and 282,479.54

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Solution

The fourth proportional to 762,086.82, 1,143,130.54 and 282,479.54 is: 423,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,086.82 : 1,143,130.54 = 282,479.54 : x
  2. Step 2: Convert to fraction form
    762,086.82/1,143,130.54 = 282,479.54/x
  3. Step 3: Cross multiply
    762,086.82x = 1,143,130.54 × 282,479.54
  4. Step 4: Simplify right side
    762,086.82x = 322,910,989,099.15
  5. Step 5: Solve for x
    x = 322,910,989,099.15/762,086.82
  6. Step 6: Final answer
    x = 423,719.42

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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.