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Finding the Fourth Proportional to 551,402.70, 827,104.05 and 500,664.30

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Solution

The fourth proportional to 551,402.70, 827,104.05 and 500,664.30 is: 750,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,402.70 : 827,104.05 = 500,664.30 : x
  2. Step 2: Convert to fraction form
    551,402.70/827,104.05 = 500,664.30/x
  3. Step 3: Cross multiply
    551,402.70x = 827,104.05 × 500,664.30
  4. Step 4: Simplify right side
    551,402.70x = 414,101,470,220.42
  5. Step 5: Solve for x
    x = 414,101,470,220.42/551,402.70
  6. Step 6: Final answer
    x = 750,996.45

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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.