Home / 927,343.07-1,391,109-320,052.35

Finding the Fourth Proportional to 927,343.07, 1,391,109 and 320,052.35

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Solution

The fourth proportional to 927,343.07, 1,391,109 and 320,052.35 is: 480,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,343.07 : 1,391,109 = 320,052.35 : x
  2. Step 2: Convert to fraction form
    927,343.07/1,391,109 = 320,052.35/x
  3. Step 3: Cross multiply
    927,343.07x = 1,391,109 × 320,052.35
  4. Step 4: Simplify right side
    927,343.07x = 445,227,704,556.15
  5. Step 5: Solve for x
    x = 445,227,704,556.15/927,343.07
  6. Step 6: Final answer
    x = 480,111.10

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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.