Home / 788,785.20-1,183,590.90-362,449.80

Finding the Fourth Proportional to 788,785.20, 1,183,590.90 and 362,449.80

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Solution

The fourth proportional to 788,785.20, 1,183,590.90 and 362,449.80 is: 543,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,785.20 : 1,183,590.90 = 362,449.80 : x
  2. Step 2: Convert to fraction form
    788,785.20/1,183,590.90 = 362,449.80/x
  3. Step 3: Cross multiply
    788,785.20x = 1,183,590.90 × 362,449.80
  4. Step 4: Simplify right side
    788,785.20x = 428,992,284,986.82
  5. Step 5: Solve for x
    x = 428,992,284,986.82/788,785.20
  6. Step 6: Final answer
    x = 543,864.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.