Home / 499,971.20-689,951.04-273,612.16

Finding the Fourth Proportional to 499,971.20, 689,951.04 and 273,612.16

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Solution

The fourth proportional to 499,971.20, 689,951.04 and 273,612.16 is: 377,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,971.20 : 689,951.04 = 273,612.16 : x
  2. Step 2: Convert to fraction form
    499,971.20/689,951.04 = 273,612.16/x
  3. Step 3: Cross multiply
    499,971.20x = 689,951.04 × 273,612.16
  4. Step 4: Simplify right side
    499,971.20x = 188,778,994,348.65
  5. Step 5: Solve for x
    x = 188,778,994,348.65/499,971.20
  6. Step 6: Final answer
    x = 377,579.74

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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.