Home / 436,172.20-601,724.69-290,837.85

Finding the Fourth Proportional to 436,172.20, 601,724.69 and 290,837.85

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Solution

The fourth proportional to 436,172.20, 601,724.69 and 290,837.85 is: 401,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,172.20 : 601,724.69 = 290,837.85 : x
  2. Step 2: Convert to fraction form
    436,172.20/601,724.69 = 290,837.85/x
  3. Step 3: Cross multiply
    436,172.20x = 601,724.69 × 290,837.85
  4. Step 4: Simplify right side
    436,172.20x = 175,004,316,333.39
  5. Step 5: Solve for x
    x = 175,004,316,333.39/436,172.20
  6. Step 6: Final answer
    x = 401,227.58

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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.