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Finding the Fourth Proportional to 650,507.87, 897,284.34 and 521,755.29

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Solution

The fourth proportional to 650,507.87, 897,284.34 and 521,755.29 is: 719,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,507.87 : 897,284.34 = 521,755.29 : x
  2. Step 2: Convert to fraction form
    650,507.87/897,284.34 = 521,755.29/x
  3. Step 3: Cross multiply
    650,507.87x = 897,284.34 × 521,755.29
  4. Step 4: Simplify right side
    650,507.87x = 468,162,851,029.16
  5. Step 5: Solve for x
    x = 468,162,851,029.16/650,507.87
  6. Step 6: Final answer
    x = 719,688.23

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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.