Home / 715,779.72-1,072,882.26-294,825.96

Finding the Fourth Proportional to 715,779.72, 1,072,882.26 and 294,825.96

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Solution

The fourth proportional to 715,779.72, 1,072,882.26 and 294,825.96 is: 441,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,779.72 : 1,072,882.26 = 294,825.96 : x
  2. Step 2: Convert to fraction form
    715,779.72/1,072,882.26 = 294,825.96/x
  3. Step 3: Cross multiply
    715,779.72x = 1,072,882.26 × 294,825.96
  4. Step 4: Simplify right side
    715,779.72x = 316,313,542,271.47
  5. Step 5: Solve for x
    x = 316,313,542,271.47/715,779.72
  6. Step 6: Final answer
    x = 441,914.65

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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.