Home / 499,782.04-689,699.38-273,432.36

Finding the Fourth Proportional to 499,782.04, 689,699.38 and 273,432.36

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Solution

The fourth proportional to 499,782.04, 689,699.38 and 273,432.36 is: 377,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,782.04 : 689,699.38 = 273,432.36 : x
  2. Step 2: Convert to fraction form
    499,782.04/689,699.38 = 273,432.36/x
  3. Step 3: Cross multiply
    499,782.04x = 689,699.38 × 273,432.36
  4. Step 4: Simplify right side
    499,782.04x = 188,586,129,163.94
  5. Step 5: Solve for x
    x = 188,586,129,163.94/499,782.04
  6. Step 6: Final answer
    x = 377,336.75

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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.