Home / 680,525.98-1,020,789.02-281,177.04

Finding the Fourth Proportional to 680,525.98, 1,020,789.02 and 281,177.04

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Solution

The fourth proportional to 680,525.98, 1,020,789.02 and 281,177.04 is: 421,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,525.98 : 1,020,789.02 = 281,177.04 : x
  2. Step 2: Convert to fraction form
    680,525.98/1,020,789.02 = 281,177.04/x
  3. Step 3: Cross multiply
    680,525.98x = 1,020,789.02 × 281,177.04
  4. Step 4: Simplify right side
    680,525.98x = 287,022,435,108.10
  5. Step 5: Solve for x
    x = 287,022,435,108.10/680,525.98
  6. Step 6: Final answer
    x = 421,765.58

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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.