Home / 790,183.26-1,090,452.90-427,607.12

Finding the Fourth Proportional to 790,183.26, 1,090,452.90 and 427,607.12

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Solution

The fourth proportional to 790,183.26, 1,090,452.90 and 427,607.12 is: 590,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,183.26 : 1,090,452.90 = 427,607.12 : x
  2. Step 2: Convert to fraction form
    790,183.26/1,090,452.90 = 427,607.12/x
  3. Step 3: Cross multiply
    790,183.26x = 1,090,452.90 × 427,607.12
  4. Step 4: Simplify right side
    790,183.26x = 466,285,424,064.65
  5. Step 5: Solve for x
    x = 466,285,424,064.65/790,183.26
  6. Step 6: Final answer
    x = 590,097.83

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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.