Home / 774,167.78-1,161,632.07-348,004.71

Finding the Fourth Proportional to 774,167.78, 1,161,632.07 and 348,004.71

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Solution

The fourth proportional to 774,167.78, 1,161,632.07 and 348,004.71 is: 522,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,167.78 : 1,161,632.07 = 348,004.71 : x
  2. Step 2: Convert to fraction form
    774,167.78/1,161,632.07 = 348,004.71/x
  3. Step 3: Cross multiply
    774,167.78x = 1,161,632.07 × 348,004.71
  4. Step 4: Simplify right side
    774,167.78x = 404,253,431,647.05
  5. Step 5: Solve for x
    x = 404,253,431,647.05/774,167.78
  6. Step 6: Final answer
    x = 522,178.06

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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.