Home / 707,559.45-1,061,774.31-281,020.65

Finding the Fourth Proportional to 707,559.45, 1,061,774.31 and 281,020.65

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Solution

The fourth proportional to 707,559.45, 1,061,774.31 and 281,020.65 is: 421,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,559.45 : 1,061,774.31 = 281,020.65 : x
  2. Step 2: Convert to fraction form
    707,559.45/1,061,774.31 = 281,020.65/x
  3. Step 3: Cross multiply
    707,559.45x = 1,061,774.31 × 281,020.65
  4. Step 4: Simplify right side
    707,559.45x = 298,380,506,749.50
  5. Step 5: Solve for x
    x = 298,380,506,749.50/707,559.45
  6. Step 6: Final answer
    x = 421,703.80

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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.