Home / 522,639.23-783,957.32-143,560.33

Finding the Fourth Proportional to 522,639.23, 783,957.32 and 143,560.33

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Solution

The fourth proportional to 522,639.23, 783,957.32 and 143,560.33 is: 215,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,639.23 : 783,957.32 = 143,560.33 : x
  2. Step 2: Convert to fraction form
    522,639.23/783,957.32 = 143,560.33/x
  3. Step 3: Cross multiply
    522,639.23x = 783,957.32 × 143,560.33
  4. Step 4: Simplify right side
    522,639.23x = 112,545,167,645.33
  5. Step 5: Solve for x
    x = 112,545,167,645.33/522,639.23
  6. Step 6: Final answer
    x = 215,340.07

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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.