Home / 487,828.53-731,209.01-251,185.41

Finding the Fourth Proportional to 487,828.53, 731,209.01 and 251,185.41

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Solution

The fourth proportional to 487,828.53, 731,209.01 and 251,185.41 is: 376,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,828.53 : 731,209.01 = 251,185.41 : x
  2. Step 2: Convert to fraction form
    487,828.53/731,209.01 = 251,185.41/x
  3. Step 3: Cross multiply
    487,828.53x = 731,209.01 × 251,185.41
  4. Step 4: Simplify right side
    487,828.53x = 183,669,033,716.62
  5. Step 5: Solve for x
    x = 183,669,033,716.62/487,828.53
  6. Step 6: Final answer
    x = 376,503.26

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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.