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Finding the Fourth Proportional to 539,997.30, 808,829.55 and 446,685.30

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Solution

The fourth proportional to 539,997.30, 808,829.55 and 446,685.30 is: 669,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,997.30 : 808,829.55 = 446,685.30 : x
  2. Step 2: Convert to fraction form
    539,997.30/808,829.55 = 446,685.30/x
  3. Step 3: Cross multiply
    539,997.30x = 808,829.55 × 446,685.30
  4. Step 4: Simplify right side
    539,997.30x = 361,292,270,190.62
  5. Step 5: Solve for x
    x = 361,292,270,190.62/539,997.30
  6. Step 6: Final answer
    x = 669,063.10

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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.