Home / 831,085.68-1,146,898.22-449,112.47

Finding the Fourth Proportional to 831,085.68, 1,146,898.22 and 449,112.47

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Solution

The fourth proportional to 831,085.68, 1,146,898.22 and 449,112.47 is: 619,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,085.68 : 1,146,898.22 = 449,112.47 : x
  2. Step 2: Convert to fraction form
    831,085.68/1,146,898.22 = 449,112.47/x
  3. Step 3: Cross multiply
    831,085.68x = 1,146,898.22 × 449,112.47
  4. Step 4: Simplify right side
    831,085.68x = 515,086,284,442.75
  5. Step 5: Solve for x
    x = 515,086,284,442.75/831,085.68
  6. Step 6: Final answer
    x = 619,775.19

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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.