Home / 762,685.57-1,052,571.47-418,588

Finding the Fourth Proportional to 762,685.57, 1,052,571.47 and 418,588

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Solution

The fourth proportional to 762,685.57, 1,052,571.47 and 418,588 is: 577,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,685.57 : 1,052,571.47 = 418,588 : x
  2. Step 2: Convert to fraction form
    762,685.57/1,052,571.47 = 418,588/x
  3. Step 3: Cross multiply
    762,685.57x = 1,052,571.47 × 418,588
  4. Step 4: Simplify right side
    762,685.57x = 440,593,784,391.42
  5. Step 5: Solve for x
    x = 440,593,784,391.42/762,685.57
  6. Step 6: Final answer
    x = 577,687.32

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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.