Home / 509,334.09-702,846.48-279,907.41

Finding the Fourth Proportional to 509,334.09, 702,846.48 and 279,907.41

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Solution

The fourth proportional to 509,334.09, 702,846.48 and 279,907.41 is: 386,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,334.09 : 702,846.48 = 279,907.41 : x
  2. Step 2: Convert to fraction form
    509,334.09/702,846.48 = 279,907.41/x
  3. Step 3: Cross multiply
    509,334.09x = 702,846.48 × 279,907.41
  4. Step 4: Simplify right side
    509,334.09x = 196,731,937,844.42
  5. Step 5: Solve for x
    x = 196,731,937,844.42/509,334.09
  6. Step 6: Final answer
    x = 386,253.23

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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.