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Finding the Fourth Proportional to 510,716.03, 704,576.57 and 303,943.05

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Solution

The fourth proportional to 510,716.03, 704,576.57 and 303,943.05 is: 419,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,716.03 : 704,576.57 = 303,943.05 : x
  2. Step 2: Convert to fraction form
    510,716.03/704,576.57 = 303,943.05/x
  3. Step 3: Cross multiply
    510,716.03x = 704,576.57 × 303,943.05
  4. Step 4: Simplify right side
    510,716.03x = 214,151,150,124.62
  5. Step 5: Solve for x
    x = 214,151,150,124.62/510,716.03
  6. Step 6: Final answer
    x = 419,315.51

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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.