Home / 781,634.40-1,171,630.80-497,542.56

Finding the Fourth Proportional to 781,634.40, 1,171,630.80 and 497,542.56

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Solution

The fourth proportional to 781,634.40, 1,171,630.80 and 497,542.56 is: 745,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,634.40 : 1,171,630.80 = 497,542.56 : x
  2. Step 2: Convert to fraction form
    781,634.40/1,171,630.80 = 497,542.56/x
  3. Step 3: Cross multiply
    781,634.40x = 1,171,630.80 × 497,542.56
  4. Step 4: Simplify right side
    781,634.40x = 582,936,187,606.85
  5. Step 5: Solve for x
    x = 582,936,187,606.85/781,634.40
  6. Step 6: Final answer
    x = 745,791.37

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1.5x scale

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.