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Finding the Fourth Proportional to 563,404.16, 777,517.66 and 308,755.38

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Solution

The fourth proportional to 563,404.16, 777,517.66 and 308,755.38 is: 426,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,404.16 : 777,517.66 = 308,755.38 : x
  2. Step 2: Convert to fraction form
    563,404.16/777,517.66 = 308,755.38/x
  3. Step 3: Cross multiply
    563,404.16x = 777,517.66 × 308,755.38
  4. Step 4: Simplify right side
    563,404.16x = 240,062,760,570.01
  5. Step 5: Solve for x
    x = 240,062,760,570.01/563,404.16
  6. Step 6: Final answer
    x = 426,093.34

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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.