Home / 790,241.97-1,090,536.69-427,665.72

Finding the Fourth Proportional to 790,241.97, 1,090,536.69 and 427,665.72

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Solution

The fourth proportional to 790,241.97, 1,090,536.69 and 427,665.72 is: 590,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,241.97 : 1,090,536.69 = 427,665.72 : x
  2. Step 2: Convert to fraction form
    790,241.97/1,090,536.69 = 427,665.72/x
  3. Step 3: Cross multiply
    790,241.97x = 1,090,536.69 × 427,665.72
  4. Step 4: Simplify right side
    790,241.97x = 466,385,158,715.27
  5. Step 5: Solve for x
    x = 466,385,158,715.27/790,241.97
  6. Step 6: Final answer
    x = 590,180.19

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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.