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Finding the Fourth Proportional to 529,842.18, 731,201.41 and 303,531.42

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Solution

The fourth proportional to 529,842.18, 731,201.41 and 303,531.42 is: 418,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,842.18 : 731,201.41 = 303,531.42 : x
  2. Step 2: Convert to fraction form
    529,842.18/731,201.41 = 303,531.42/x
  3. Step 3: Cross multiply
    529,842.18x = 731,201.41 × 303,531.42
  4. Step 4: Simplify right side
    529,842.18x = 221,942,602,283.30
  5. Step 5: Solve for x
    x = 221,942,602,283.30/529,842.18
  6. Step 6: Final answer
    x = 418,884.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.