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Finding the Fourth Proportional to 522,804.48, 783,784.32 and 202,791.12

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Solution

The fourth proportional to 522,804.48, 783,784.32 and 202,791.12 is: 304,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,804.48 : 783,784.32 = 202,791.12 : x
  2. Step 2: Convert to fraction form
    522,804.48/783,784.32 = 202,791.12/x
  3. Step 3: Cross multiply
    522,804.48x = 783,784.32 × 202,791.12
  4. Step 4: Simplify right side
    522,804.48x = 158,944,500,091.24
  5. Step 5: Solve for x
    x = 158,944,500,091.24/522,804.48
  6. Step 6: Final answer
    x = 304,022.83

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1.5x scale

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.