Home / 509,839.20-764,034.66-375,664.32

Finding the Fourth Proportional to 509,839.20, 764,034.66 and 375,664.32

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Solution

The fourth proportional to 509,839.20, 764,034.66 and 375,664.32 is: 562,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,839.20 : 764,034.66 = 375,664.32 : x
  2. Step 2: Convert to fraction form
    509,839.20/764,034.66 = 375,664.32/x
  3. Step 3: Cross multiply
    509,839.20x = 764,034.66 × 375,664.32
  4. Step 4: Simplify right side
    509,839.20x = 287,020,561,005.33
  5. Step 5: Solve for x
    x = 287,020,561,005.33/509,839.20
  6. Step 6: Final answer
    x = 562,962.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.