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Finding the Fourth Proportional to 529,526.22, 794,313.63 and 259,898.28

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Solution

The fourth proportional to 529,526.22, 794,313.63 and 259,898.28 is: 389,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,526.22 : 794,313.63 = 259,898.28 : x
  2. Step 2: Convert to fraction form
    529,526.22/794,313.63 = 259,898.28/x
  3. Step 3: Cross multiply
    529,526.22x = 794,313.63 × 259,898.28
  4. Step 4: Simplify right side
    529,526.22x = 206,440,746,217.56
  5. Step 5: Solve for x
    x = 206,440,746,217.56/529,526.22
  6. Step 6: Final answer
    x = 389,859.35

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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.