Home / 708,942.72-1,063,572.30-259,654.08

Finding the Fourth Proportional to 708,942.72, 1,063,572.30 and 259,654.08

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Solution

The fourth proportional to 708,942.72, 1,063,572.30 and 259,654.08 is: 389,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,942.72 : 1,063,572.30 = 259,654.08 : x
  2. Step 2: Convert to fraction form
    708,942.72/1,063,572.30 = 259,654.08/x
  3. Step 3: Cross multiply
    708,942.72x = 1,063,572.30 × 259,654.08
  4. Step 4: Simplify right side
    708,942.72x = 276,160,887,069.98
  5. Step 5: Solve for x
    x = 276,160,887,069.98/708,942.72
  6. Step 6: Final answer
    x = 389,539.07

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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.