Home / 790,195.31-1,090,477.20-427,626.69

Finding the Fourth Proportional to 790,195.31, 1,090,477.20 and 427,626.69

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Solution

The fourth proportional to 790,195.31, 1,090,477.20 and 427,626.69 is: 590,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,195.31 : 1,090,477.20 = 427,626.69 : x
  2. Step 2: Convert to fraction form
    790,195.31/1,090,477.20 = 427,626.69/x
  3. Step 3: Cross multiply
    790,195.31x = 1,090,477.20 × 427,626.69
  4. Step 4: Simplify right side
    790,195.31x = 466,317,155,556.47
  5. Step 5: Solve for x
    x = 466,317,155,556.47/790,195.31
  6. Step 6: Final answer
    x = 590,128.99

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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.