Home / 499,740.27-689,657.87-273,385.77

Finding the Fourth Proportional to 499,740.27, 689,657.87 and 273,385.77

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Solution

The fourth proportional to 499,740.27, 689,657.87 and 273,385.77 is: 377,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,740.27 : 689,657.87 = 273,385.77 : x
  2. Step 2: Convert to fraction form
    499,740.27/689,657.87 = 273,385.77/x
  3. Step 3: Cross multiply
    499,740.27x = 689,657.87 × 273,385.77
  4. Step 4: Simplify right side
    499,740.27x = 188,542,643,011.29
  5. Step 5: Solve for x
    x = 188,542,643,011.29/499,740.27
  6. Step 6: Final answer
    x = 377,281.27

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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.