Home / 831,432.48-1,247,193.25-262,770.31

Finding the Fourth Proportional to 831,432.48, 1,247,193.25 and 262,770.31

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Solution

The fourth proportional to 831,432.48, 1,247,193.25 and 262,770.31 is: 394,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,432.48 : 1,247,193.25 = 262,770.31 : x
  2. Step 2: Convert to fraction form
    831,432.48/1,247,193.25 = 262,770.31/x
  3. Step 3: Cross multiply
    831,432.48x = 1,247,193.25 × 262,770.31
  4. Step 4: Simplify right side
    831,432.48x = 327,725,357,834.47
  5. Step 5: Solve for x
    x = 327,725,357,834.47/831,432.48
  6. Step 6: Final answer
    x = 394,169.54

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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.