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Finding the Fourth Proportional to 520,732.82, 780,897.29 and 179,111.29

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Solution

The fourth proportional to 520,732.82, 780,897.29 and 179,111.29 is: 268,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,732.82 : 780,897.29 = 179,111.29 : x
  2. Step 2: Convert to fraction form
    520,732.82/780,897.29 = 179,111.29/x
  3. Step 3: Cross multiply
    520,732.82x = 780,897.29 × 179,111.29
  4. Step 4: Simplify right side
    520,732.82x = 139,867,520,969.40
  5. Step 5: Solve for x
    x = 139,867,520,969.40/520,732.82
  6. Step 6: Final answer
    x = 268,597.48

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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.