Home / 790,167.45-1,090,433.96-427,591.26

Finding the Fourth Proportional to 790,167.45, 1,090,433.96 and 427,591.26

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Solution

The fourth proportional to 790,167.45, 1,090,433.96 and 427,591.26 is: 590,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,167.45 : 1,090,433.96 = 427,591.26 : x
  2. Step 2: Convert to fraction form
    790,167.45/1,090,433.96 = 427,591.26/x
  3. Step 3: Cross multiply
    790,167.45x = 1,090,433.96 × 427,591.26
  4. Step 4: Simplify right side
    790,167.45x = 466,260,028,765.23
  5. Step 5: Solve for x
    x = 466,260,028,765.23/790,167.45
  6. Step 6: Final answer
    x = 590,077.49

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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.