Home / 782,928.88-1,174,393.96-214,314.68

Finding the Fourth Proportional to 782,928.88, 1,174,393.96 and 214,314.68

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Solution

The fourth proportional to 782,928.88, 1,174,393.96 and 214,314.68 is: 321,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,928.88 : 1,174,393.96 = 214,314.68 : x
  2. Step 2: Convert to fraction form
    782,928.88/1,174,393.96 = 214,314.68/x
  3. Step 3: Cross multiply
    782,928.88x = 1,174,393.96 × 214,314.68
  4. Step 4: Simplify right side
    782,928.88x = 251,689,868,131.53
  5. Step 5: Solve for x
    x = 251,689,868,131.53/782,928.88
  6. Step 6: Final answer
    x = 321,472.20

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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.