Home / 782,037.21-1,173,182.37-242,166.60

Finding the Fourth Proportional to 782,037.21, 1,173,182.37 and 242,166.60

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Solution

The fourth proportional to 782,037.21, 1,173,182.37 and 242,166.60 is: 363,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,037.21 : 1,173,182.37 = 242,166.60 : x
  2. Step 2: Convert to fraction form
    782,037.21/1,173,182.37 = 242,166.60/x
  3. Step 3: Cross multiply
    782,037.21x = 1,173,182.37 × 242,166.60
  4. Step 4: Simplify right side
    782,037.21x = 284,105,585,722.84
  5. Step 5: Solve for x
    x = 284,105,585,722.84/782,037.21
  6. Step 6: Final answer
    x = 363,289.09

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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.