Home / 790,227.33-1,090,513.81-427,651.28

Finding the Fourth Proportional to 790,227.33, 1,090,513.81 and 427,651.28

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Solution

The fourth proportional to 790,227.33, 1,090,513.81 and 427,651.28 is: 590,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,227.33 : 1,090,513.81 = 427,651.28 : x
  2. Step 2: Convert to fraction form
    790,227.33/1,090,513.81 = 427,651.28/x
  3. Step 3: Cross multiply
    790,227.33x = 1,090,513.81 × 427,651.28
  4. Step 4: Simplify right side
    790,227.33x = 466,359,626,704.18
  5. Step 5: Solve for x
    x = 466,359,626,704.18/790,227.33
  6. Step 6: Final answer
    x = 590,158.82

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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.