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Finding the Fourth Proportional to 592,479.22, 816,770.77 and 422,418.10

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Solution

The fourth proportional to 592,479.22, 816,770.77 and 422,418.10 is: 582,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,479.22 : 816,770.77 = 422,418.10 : x
  2. Step 2: Convert to fraction form
    592,479.22/816,770.77 = 422,418.10/x
  3. Step 3: Cross multiply
    592,479.22x = 816,770.77 × 422,418.10
  4. Step 4: Simplify right side
    592,479.22x = 345,018,756,798.94
  5. Step 5: Solve for x
    x = 345,018,756,798.94/592,479.22
  6. Step 6: Final answer
    x = 582,330.56

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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.