Home / 501,247.12-691,414.62-297,161.32

Finding the Fourth Proportional to 501,247.12, 691,414.62 and 297,161.32

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Solution

The fourth proportional to 501,247.12, 691,414.62 and 297,161.32 is: 409,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,247.12 : 691,414.62 = 297,161.32 : x
  2. Step 2: Convert to fraction form
    501,247.12/691,414.62 = 297,161.32/x
  3. Step 3: Cross multiply
    501,247.12x = 691,414.62 × 297,161.32
  4. Step 4: Simplify right side
    501,247.12x = 205,461,681,146.50
  5. Step 5: Solve for x
    x = 205,461,681,146.50/501,247.12
  6. Step 6: Final answer
    x = 409,900.97

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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.