Home / 772,078.59-1,158,272.67-266,658.10

Finding the Fourth Proportional to 772,078.59, 1,158,272.67 and 266,658.10

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Solution

The fourth proportional to 772,078.59, 1,158,272.67 and 266,658.10 is: 400,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,078.59 : 1,158,272.67 = 266,658.10 : x
  2. Step 2: Convert to fraction form
    772,078.59/1,158,272.67 = 266,658.10/x
  3. Step 3: Cross multiply
    772,078.59x = 1,158,272.67 × 266,658.10
  4. Step 4: Simplify right side
    772,078.59x = 308,862,789,464.13
  5. Step 5: Solve for x
    x = 308,862,789,464.13/772,078.59
  6. Step 6: Final answer
    x = 400,040.61

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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.