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Finding the Fourth Proportional to 562,893.30, 776,793.92 and 304,773.03

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Solution

The fourth proportional to 562,893.30, 776,793.92 and 304,773.03 is: 420,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,893.30 : 776,793.92 = 304,773.03 : x
  2. Step 2: Convert to fraction form
    562,893.30/776,793.92 = 304,773.03/x
  3. Step 3: Cross multiply
    562,893.30x = 776,793.92 × 304,773.03
  4. Step 4: Simplify right side
    562,893.30x = 236,745,835,160.11
  5. Step 5: Solve for x
    x = 236,745,835,160.11/562,893.30
  6. Step 6: Final answer
    x = 420,587.41

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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.