Home / 939,861.57-1,296,974.07-510,132.45

Finding the Fourth Proportional to 939,861.57, 1,296,974.07 and 510,132.45

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Solution

The fourth proportional to 939,861.57, 1,296,974.07 and 510,132.45 is: 703,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,861.57 : 1,296,974.07 = 510,132.45 : x
  2. Step 2: Convert to fraction form
    939,861.57/1,296,974.07 = 510,132.45/x
  3. Step 3: Cross multiply
    939,861.57x = 1,296,974.07 × 510,132.45
  4. Step 4: Simplify right side
    939,861.57x = 661,628,559,915.57
  5. Step 5: Solve for x
    x = 661,628,559,915.57/939,861.57
  6. Step 6: Final answer
    x = 703,963.84

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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.