Home / 905,837.86-1,250,071.78-497,956.88

Finding the Fourth Proportional to 905,837.86, 1,250,071.78 and 497,956.88

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Solution

The fourth proportional to 905,837.86, 1,250,071.78 and 497,956.88 is: 687,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,837.86 : 1,250,071.78 = 497,956.88 : x
  2. Step 2: Convert to fraction form
    905,837.86/1,250,071.78 = 497,956.88/x
  3. Step 3: Cross multiply
    905,837.86x = 1,250,071.78 × 497,956.88
  4. Step 4: Simplify right side
    905,837.86x = 622,481,843,344.85
  5. Step 5: Solve for x
    x = 622,481,843,344.85/905,837.86
  6. Step 6: Final answer
    x = 687,189.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.