Home / 790,568.69-1,090,984.55-427,992.30

Finding the Fourth Proportional to 790,568.69, 1,090,984.55 and 427,992.30

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Solution

The fourth proportional to 790,568.69, 1,090,984.55 and 427,992.30 is: 590,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,568.69 : 1,090,984.55 = 427,992.30 : x
  2. Step 2: Convert to fraction form
    790,568.69/1,090,984.55 = 427,992.30/x
  3. Step 3: Cross multiply
    790,568.69x = 1,090,984.55 × 427,992.30
  4. Step 4: Simplify right side
    790,568.69x = 466,932,984,679.00
  5. Step 5: Solve for x
    x = 466,932,984,679.00/790,568.69
  6. Step 6: Final answer
    x = 590,629.24

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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.