Home / 774,364.80-1,161,460.08-268,832.64

Finding the Fourth Proportional to 774,364.80, 1,161,460.08 and 268,832.64

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Solution

The fourth proportional to 774,364.80, 1,161,460.08 and 268,832.64 is: 403,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,364.80 : 1,161,460.08 = 268,832.64 : x
  2. Step 2: Convert to fraction form
    774,364.80/1,161,460.08 = 268,832.64/x
  3. Step 3: Cross multiply
    774,364.80x = 1,161,460.08 × 268,832.64
  4. Step 4: Simplify right side
    774,364.80x = 312,238,379,561.01
  5. Step 5: Solve for x
    x = 312,238,379,561.01/774,364.80
  6. Step 6: Final answer
    x = 403,218.71

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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.