Home / 862,930.52-1,190,811.64-500,369.68

Finding the Fourth Proportional to 862,930.52, 1,190,811.64 and 500,369.68

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Solution

The fourth proportional to 862,930.52, 1,190,811.64 and 500,369.68 is: 690,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,930.52 : 1,190,811.64 = 500,369.68 : x
  2. Step 2: Convert to fraction form
    862,930.52/1,190,811.64 = 500,369.68/x
  3. Step 3: Cross multiply
    862,930.52x = 1,190,811.64 × 500,369.68
  4. Step 4: Simplify right side
    862,930.52x = 595,846,039,247.08
  5. Step 5: Solve for x
    x = 595,846,039,247.08/862,930.52
  6. Step 6: Final answer
    x = 690,491.33

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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.