Home / 499,910.04-689,875.90-273,555.56

Finding the Fourth Proportional to 499,910.04, 689,875.90 and 273,555.56

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Solution

The fourth proportional to 499,910.04, 689,875.90 and 273,555.56 is: 377,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,910.04 : 689,875.90 = 273,555.56 : x
  2. Step 2: Convert to fraction form
    499,910.04/689,875.90 = 273,555.56/x
  3. Step 3: Cross multiply
    499,910.04x = 689,875.90 × 273,555.56
  4. Step 4: Simplify right side
    499,910.04x = 188,719,388,155.00
  5. Step 5: Solve for x
    x = 188,719,388,155.00/499,910.04
  6. Step 6: Final answer
    x = 377,506.70

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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.