Home / 707,886.72-1,061,188.38-353,009.52

Finding the Fourth Proportional to 707,886.72, 1,061,188.38 and 353,009.52

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Solution

The fourth proportional to 707,886.72, 1,061,188.38 and 353,009.52 is: 529,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,886.72 : 1,061,188.38 = 353,009.52 : x
  2. Step 2: Convert to fraction form
    707,886.72/1,061,188.38 = 353,009.52/x
  3. Step 3: Cross multiply
    707,886.72x = 1,061,188.38 × 353,009.52
  4. Step 4: Simplify right side
    707,886.72x = 374,609,600,653.38
  5. Step 5: Solve for x
    x = 374,609,600,653.38/707,886.72
  6. Step 6: Final answer
    x = 529,194.28

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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.