Home / 762,608.26-1,052,364.18-418,435.61

Finding the Fourth Proportional to 762,608.26, 1,052,364.18 and 418,435.61

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Solution

The fourth proportional to 762,608.26, 1,052,364.18 and 418,435.61 is: 577,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,608.26 : 1,052,364.18 = 418,435.61 : x
  2. Step 2: Convert to fraction form
    762,608.26/1,052,364.18 = 418,435.61/x
  3. Step 3: Cross multiply
    762,608.26x = 1,052,364.18 × 418,435.61
  4. Step 4: Simplify right side
    762,608.26x = 440,346,647,600.45
  5. Step 5: Solve for x
    x = 440,346,647,600.45/762,608.26
  6. Step 6: Final answer
    x = 577,421.82

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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.