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Finding the Fourth Proportional to 520,799.96, 781,262.35 and 183,771

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Solution

The fourth proportional to 520,799.96, 781,262.35 and 183,771 is: 275,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,799.96 : 781,262.35 = 183,771 : x
  2. Step 2: Convert to fraction form
    520,799.96/781,262.35 = 183,771/x
  3. Step 3: Cross multiply
    520,799.96x = 781,262.35 × 183,771
  4. Step 4: Simplify right side
    520,799.96x = 143,573,362,862.42
  5. Step 5: Solve for x
    x = 143,573,362,862.42/520,799.96
  6. Step 6: Final answer
    x = 275,678.52

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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.