Home / 507,836.71-761,516.31-187,767.44

Finding the Fourth Proportional to 507,836.71, 761,516.31 and 187,767.44

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Solution

The fourth proportional to 507,836.71, 761,516.31 and 187,767.44 is: 281,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,836.71 : 761,516.31 = 187,767.44 : x
  2. Step 2: Convert to fraction form
    507,836.71/761,516.31 = 187,767.44/x
  3. Step 3: Cross multiply
    507,836.71x = 761,516.31 × 187,767.44
  4. Step 4: Simplify right side
    507,836.71x = 142,987,965,657.41
  5. Step 5: Solve for x
    x = 142,987,965,657.41/507,836.71
  6. Step 6: Final answer
    x = 281,562.88

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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.