Home / 746,743.92-1,030,506.84-407,203.44

Finding the Fourth Proportional to 746,743.92, 1,030,506.84 and 407,203.44

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Solution

The fourth proportional to 746,743.92, 1,030,506.84 and 407,203.44 is: 561,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,743.92 : 1,030,506.84 = 407,203.44 : x
  2. Step 2: Convert to fraction form
    746,743.92/1,030,506.84 = 407,203.44/x
  3. Step 3: Cross multiply
    746,743.92x = 1,030,506.84 × 407,203.44
  4. Step 4: Simplify right side
    746,743.92x = 419,625,930,191.53
  5. Step 5: Solve for x
    x = 419,625,930,191.53/746,743.92
  6. Step 6: Final answer
    x = 561,940.87

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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.