Home / 677,663.17-1,015,821.01-339,672.23

Finding the Fourth Proportional to 677,663.17, 1,015,821.01 and 339,672.23

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Solution

The fourth proportional to 677,663.17, 1,015,821.01 and 339,672.23 is: 509,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,663.17 : 1,015,821.01 = 339,672.23 : x
  2. Step 2: Convert to fraction form
    677,663.17/1,015,821.01 = 339,672.23/x
  3. Step 3: Cross multiply
    677,663.17x = 1,015,821.01 × 339,672.23
  4. Step 4: Simplify right side
    677,663.17x = 345,046,190,944.53
  5. Step 5: Solve for x
    x = 345,046,190,944.53/677,663.17
  6. Step 6: Final answer
    x = 509,170.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.