Home / 770,163.93-1,062,472.61-498,320.44

Finding the Fourth Proportional to 770,163.93, 1,062,472.61 and 498,320.44

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Solution

The fourth proportional to 770,163.93, 1,062,472.61 and 498,320.44 is: 687,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,163.93 : 1,062,472.61 = 498,320.44 : x
  2. Step 2: Convert to fraction form
    770,163.93/1,062,472.61 = 498,320.44/x
  3. Step 3: Cross multiply
    770,163.93x = 1,062,472.61 × 498,320.44
  4. Step 4: Simplify right side
    770,163.93x = 529,451,817,092.77
  5. Step 5: Solve for x
    x = 529,451,817,092.77/770,163.93
  6. Step 6: Final answer
    x = 687,453.41

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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.