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Finding the Fourth Proportional to 519,478.50, 779,295.66 and 182,459.76

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Solution

The fourth proportional to 519,478.50, 779,295.66 and 182,459.76 is: 273,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,478.50 : 779,295.66 = 182,459.76 : x
  2. Step 2: Convert to fraction form
    519,478.50/779,295.66 = 182,459.76/x
  3. Step 3: Cross multiply
    519,478.50x = 779,295.66 × 182,459.76
  4. Step 4: Simplify right side
    519,478.50x = 142,190,099,092.64
  5. Step 5: Solve for x
    x = 142,190,099,092.64/519,478.50
  6. Step 6: Final answer
    x = 273,717.00

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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.