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Finding the Fourth Proportional to 501,817.20, 753,600.60 and 486,070.80

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Solution

The fourth proportional to 501,817.20, 753,600.60 and 486,070.80 is: 729,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,817.20 : 753,600.60 = 486,070.80 : x
  2. Step 2: Convert to fraction form
    501,817.20/753,600.60 = 486,070.80/x
  3. Step 3: Cross multiply
    501,817.20x = 753,600.60 × 486,070.80
  4. Step 4: Simplify right side
    501,817.20x = 366,303,246,522.48
  5. Step 5: Solve for x
    x = 366,303,246,522.48/501,817.20
  6. Step 6: Final answer
    x = 729,953.55

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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.