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Finding the Fourth Proportional to 504,929.89, 756,740.39 and 205,062.12

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Solution

The fourth proportional to 504,929.89, 756,740.39 and 205,062.12 is: 307,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,929.89 : 756,740.39 = 205,062.12 : x
  2. Step 2: Convert to fraction form
    504,929.89/756,740.39 = 205,062.12/x
  3. Step 3: Cross multiply
    504,929.89x = 756,740.39 × 205,062.12
  4. Step 4: Simplify right side
    504,929.89x = 155,178,788,663.03
  5. Step 5: Solve for x
    x = 155,178,788,663.03/504,929.89
  6. Step 6: Final answer
    x = 307,327.40

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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.