Home / 790,335.34-1,090,665.74-427,759.29

Finding the Fourth Proportional to 790,335.34, 1,090,665.74 and 427,759.29

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Solution

The fourth proportional to 790,335.34, 1,090,665.74 and 427,759.29 is: 590,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,335.34 : 1,090,665.74 = 427,759.29 : x
  2. Step 2: Convert to fraction form
    790,335.34/1,090,665.74 = 427,759.29/x
  3. Step 3: Cross multiply
    790,335.34x = 1,090,665.74 × 427,759.29
  4. Step 4: Simplify right side
    790,335.34x = 466,542,403,639.12
  5. Step 5: Solve for x
    x = 466,542,403,639.12/790,335.34
  6. Step 6: Final answer
    x = 590,309.43

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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.