Home / 499,585.86-689,433.93-273,226.50

Finding the Fourth Proportional to 499,585.86, 689,433.93 and 273,226.50

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Solution

The fourth proportional to 499,585.86, 689,433.93 and 273,226.50 is: 377,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,585.86 : 689,433.93 = 273,226.50 : x
  2. Step 2: Convert to fraction form
    499,585.86/689,433.93 = 273,226.50/x
  3. Step 3: Cross multiply
    499,585.86x = 689,433.93 × 273,226.50
  4. Step 4: Simplify right side
    499,585.86x = 188,371,619,675.15
  5. Step 5: Solve for x
    x = 188,371,619,675.15/499,585.86
  6. Step 6: Final answer
    x = 377,055.55

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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.