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Finding the Fourth Proportional to 522,193.18, 720,456.42 and 304,352.14

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Solution

The fourth proportional to 522,193.18, 720,456.42 and 304,352.14 is: 419,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,193.18 : 720,456.42 = 304,352.14 : x
  2. Step 2: Convert to fraction form
    522,193.18/720,456.42 = 304,352.14/x
  3. Step 3: Cross multiply
    522,193.18x = 720,456.42 × 304,352.14
  4. Step 4: Simplify right side
    522,193.18x = 219,272,453,203.74
  5. Step 5: Solve for x
    x = 219,272,453,203.74/522,193.18
  6. Step 6: Final answer
    x = 419,906.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.