Home / 782,525.60-1,172,427.60-360,936.80

Finding the Fourth Proportional to 782,525.60, 1,172,427.60 and 360,936.80

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Solution

The fourth proportional to 782,525.60, 1,172,427.60 and 360,936.80 is: 540,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,525.60 : 1,172,427.60 = 360,936.80 : x
  2. Step 2: Convert to fraction form
    782,525.60/1,172,427.60 = 360,936.80/x
  3. Step 3: Cross multiply
    782,525.60x = 1,172,427.60 × 360,936.80
  4. Step 4: Simplify right side
    782,525.60x = 423,172,266,175.68
  5. Step 5: Solve for x
    x = 423,172,266,175.68/782,525.60
  6. Step 6: Final answer
    x = 540,777.54

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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.