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Finding the Fourth Proportional to 583,708.87, 875,516.55 and 259,597.31

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Solution

The fourth proportional to 583,708.87, 875,516.55 and 259,597.31 is: 389,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,708.87 : 875,516.55 = 259,597.31 : x
  2. Step 2: Convert to fraction form
    583,708.87/875,516.55 = 259,597.31/x
  3. Step 3: Cross multiply
    583,708.87x = 875,516.55 × 259,597.31
  4. Step 4: Simplify right side
    583,708.87x = 227,281,741,240.48
  5. Step 5: Solve for x
    x = 227,281,741,240.48/583,708.87
  6. Step 6: Final answer
    x = 389,375.17

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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.