Home / 453,610.20-680,415.30-263,875.80

Finding the Fourth Proportional to 453,610.20, 680,415.30 and 263,875.80

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Solution

The fourth proportional to 453,610.20, 680,415.30 and 263,875.80 is: 395,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,610.20 : 680,415.30 = 263,875.80 : x
  2. Step 2: Convert to fraction form
    453,610.20/680,415.30 = 263,875.80/x
  3. Step 3: Cross multiply
    453,610.20x = 680,415.30 × 263,875.80
  4. Step 4: Simplify right side
    453,610.20x = 179,545,131,619.74
  5. Step 5: Solve for x
    x = 179,545,131,619.74/453,610.20
  6. Step 6: Final answer
    x = 395,813.70

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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.