Home / 707,560.59-1,061,775.99-281,021.79

Finding the Fourth Proportional to 707,560.59, 1,061,775.99 and 281,021.79

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Solution

The fourth proportional to 707,560.59, 1,061,775.99 and 281,021.79 is: 421,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,560.59 : 1,061,775.99 = 281,021.79 : x
  2. Step 2: Convert to fraction form
    707,560.59/1,061,775.99 = 281,021.79/x
  3. Step 3: Cross multiply
    707,560.59x = 1,061,775.99 × 281,021.79
  4. Step 4: Simplify right side
    707,560.59x = 298,382,189,288.82
  5. Step 5: Solve for x
    x = 298,382,189,288.82/707,560.59
  6. Step 6: Final answer
    x = 421,705.50

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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.