Home / 690,205.52-1,034,571-492,614.48

Finding the Fourth Proportional to 690,205.52, 1,034,571 and 492,614.48

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Solution

The fourth proportional to 690,205.52, 1,034,571 and 492,614.48 is: 738,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,205.52 : 1,034,571 = 492,614.48 : x
  2. Step 2: Convert to fraction form
    690,205.52/1,034,571 = 492,614.48/x
  3. Step 3: Cross multiply
    690,205.52x = 1,034,571 × 492,614.48
  4. Step 4: Simplify right side
    690,205.52x = 509,644,655,188.08
  5. Step 5: Solve for x
    x = 509,644,655,188.08/690,205.52
  6. Step 6: Final answer
    x = 738,395.51

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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.