Home / 592,380.41-816,634.72-422,319.29

Finding the Fourth Proportional to 592,380.41, 816,634.72 and 422,319.29

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Solution

The fourth proportional to 592,380.41, 816,634.72 and 422,319.29 is: 582,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,380.41 : 816,634.72 = 422,319.29 : x
  2. Step 2: Convert to fraction form
    592,380.41/816,634.72 = 422,319.29/x
  3. Step 3: Cross multiply
    592,380.41x = 816,634.72 × 422,319.29
  4. Step 4: Simplify right side
    592,380.41x = 344,880,595,139.75
  5. Step 5: Solve for x
    x = 344,880,595,139.75/592,380.41
  6. Step 6: Final answer
    x = 582,194.46

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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.