Home / 939,824.53-1,296,954.56-510,104.66

Finding the Fourth Proportional to 939,824.53, 1,296,954.56 and 510,104.66

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Solution

The fourth proportional to 939,824.53, 1,296,954.56 and 510,104.66 is: 703,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,824.53 : 1,296,954.56 = 510,104.66 : x
  2. Step 2: Convert to fraction form
    939,824.53/1,296,954.56 = 510,104.66/x
  3. Step 3: Cross multiply
    939,824.53x = 1,296,954.56 × 510,104.66
  4. Step 4: Simplify right side
    939,824.53x = 661,582,559,654.74
  5. Step 5: Solve for x
    x = 661,582,559,654.74/939,824.53
  6. Step 6: Final answer
    x = 703,942.64

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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.