Home / 882,724.86-1,218,183.99-500,809.02

Finding the Fourth Proportional to 882,724.86, 1,218,183.99 and 500,809.02

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Solution

The fourth proportional to 882,724.86, 1,218,183.99 and 500,809.02 is: 691,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,724.86 : 1,218,183.99 = 500,809.02 : x
  2. Step 2: Convert to fraction form
    882,724.86/1,218,183.99 = 500,809.02/x
  3. Step 3: Cross multiply
    882,724.86x = 1,218,183.99 × 500,809.02
  4. Step 4: Simplify right side
    882,724.86x = 610,077,530,211.59
  5. Step 5: Solve for x
    x = 610,077,530,211.59/882,724.86
  6. Step 6: Final answer
    x = 691,129.88

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1.5x scale

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.