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Finding the Fourth Proportional to 539,506.17, 808,220.63 and 337,181.33

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Solution

The fourth proportional to 539,506.17, 808,220.63 and 337,181.33 is: 505,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,506.17 : 808,220.63 = 337,181.33 : x
  2. Step 2: Convert to fraction form
    539,506.17/808,220.63 = 337,181.33/x
  3. Step 3: Cross multiply
    539,506.17x = 808,220.63 × 337,181.33
  4. Step 4: Simplify right side
    539,506.17x = 272,516,909,820.34
  5. Step 5: Solve for x
    x = 272,516,909,820.34/539,506.17
  6. Step 6: Final answer
    x = 505,122.88

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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.