Home / 778,997.10-1,169,019.32-273,561.96

Finding the Fourth Proportional to 778,997.10, 1,169,019.32 and 273,561.96

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Solution

The fourth proportional to 778,997.10, 1,169,019.32 and 273,561.96 is: 410,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,997.10 : 1,169,019.32 = 273,561.96 : x
  2. Step 2: Convert to fraction form
    778,997.10/1,169,019.32 = 273,561.96/x
  3. Step 3: Cross multiply
    778,997.10x = 1,169,019.32 × 273,561.96
  4. Step 4: Simplify right side
    778,997.10x = 319,799,215,089.26
  5. Step 5: Solve for x
    x = 319,799,215,089.26/778,997.10
  6. Step 6: Final answer
    x = 410,526.84

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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.