Home / 777,316.55-1,165,974.83-303,669.77

Finding the Fourth Proportional to 777,316.55, 1,165,974.83 and 303,669.77

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Solution

The fourth proportional to 777,316.55, 1,165,974.83 and 303,669.77 is: 455,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,316.55 : 1,165,974.83 = 303,669.77 : x
  2. Step 2: Convert to fraction form
    777,316.55/1,165,974.83 = 303,669.77/x
  3. Step 3: Cross multiply
    777,316.55x = 1,165,974.83 × 303,669.77
  4. Step 4: Simplify right side
    777,316.55x = 354,071,301,103.67
  5. Step 5: Solve for x
    x = 354,071,301,103.67/777,316.55
  6. Step 6: Final answer
    x = 455,504.65

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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.