Home / 772,040.66-1,158,215.60-266,620.10

Finding the Fourth Proportional to 772,040.66, 1,158,215.60 and 266,620.10

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Solution

The fourth proportional to 772,040.66, 1,158,215.60 and 266,620.10 is: 399,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,040.66 : 1,158,215.60 = 266,620.10 : x
  2. Step 2: Convert to fraction form
    772,040.66/1,158,215.60 = 266,620.10/x
  3. Step 3: Cross multiply
    772,040.66x = 1,158,215.60 × 266,620.10
  4. Step 4: Simplify right side
    772,040.66x = 308,803,559,093.56
  5. Step 5: Solve for x
    x = 308,803,559,093.56/772,040.66
  6. Step 6: Final answer
    x = 399,983.54

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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.