Home / 831,893.46-1,148,012.94-449,920.27

Finding the Fourth Proportional to 831,893.46, 1,148,012.94 and 449,920.27

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Solution

The fourth proportional to 831,893.46, 1,148,012.94 and 449,920.27 is: 620,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,893.46 : 1,148,012.94 = 449,920.27 : x
  2. Step 2: Convert to fraction form
    831,893.46/1,148,012.94 = 449,920.27/x
  3. Step 3: Cross multiply
    831,893.46x = 1,148,012.94 × 449,920.27
  4. Step 4: Simplify right side
    831,893.46x = 516,514,291,928.29
  5. Step 5: Solve for x
    x = 516,514,291,928.29/831,893.46
  6. Step 6: Final answer
    x = 620,889.95

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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.