Home / 891,860.31-1,230,760.98-483,951.78

Finding the Fourth Proportional to 891,860.31, 1,230,760.98 and 483,951.78

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Solution

The fourth proportional to 891,860.31, 1,230,760.98 and 483,951.78 is: 667,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,860.31 : 1,230,760.98 = 483,951.78 : x
  2. Step 2: Convert to fraction form
    891,860.31/1,230,760.98 = 483,951.78/x
  3. Step 3: Cross multiply
    891,860.31x = 1,230,760.98 × 483,951.78
  4. Step 4: Simplify right side
    891,860.31x = 595,628,967,025.54
  5. Step 5: Solve for x
    x = 595,628,967,025.54/891,860.31
  6. Step 6: Final answer
    x = 667,850.07

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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.