Home / 589,619.78-813,704.10-331,577.90

Finding the Fourth Proportional to 589,619.78, 813,704.10 and 331,577.90

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Solution

The fourth proportional to 589,619.78, 813,704.10 and 331,577.90 is: 457,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,619.78 : 813,704.10 = 331,577.90 : x
  2. Step 2: Convert to fraction form
    589,619.78/813,704.10 = 331,577.90/x
  3. Step 3: Cross multiply
    589,619.78x = 813,704.10 × 331,577.90
  4. Step 4: Simplify right side
    589,619.78x = 269,806,296,699.39
  5. Step 5: Solve for x
    x = 269,806,296,699.39/589,619.78
  6. Step 6: Final answer
    x = 457,593.70

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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.