Home / 862,590.58-1,190,379.87-500,229.58

Finding the Fourth Proportional to 862,590.58, 1,190,379.87 and 500,229.58

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Solution

The fourth proportional to 862,590.58, 1,190,379.87 and 500,229.58 is: 690,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,590.58 : 1,190,379.87 = 500,229.58 : x
  2. Step 2: Convert to fraction form
    862,590.58/1,190,379.87 = 500,229.58/x
  3. Step 3: Cross multiply
    862,590.58x = 1,190,379.87 × 500,229.58
  4. Step 4: Simplify right side
    862,590.58x = 595,463,222,410.56
  5. Step 5: Solve for x
    x = 595,463,222,410.56/862,590.58
  6. Step 6: Final answer
    x = 690,319.64

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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.