Home / 939,797.78-1,296,922.05-510,077.99

Finding the Fourth Proportional to 939,797.78, 1,296,922.05 and 510,077.99

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Solution

The fourth proportional to 939,797.78, 1,296,922.05 and 510,077.99 is: 703,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,797.78 : 1,296,922.05 = 510,077.99 : x
  2. Step 2: Convert to fraction form
    939,797.78/1,296,922.05 = 510,077.99/x
  3. Step 3: Cross multiply
    939,797.78x = 1,296,922.05 × 510,077.99
  4. Step 4: Simplify right side
    939,797.78x = 661,531,395,692.99
  5. Step 5: Solve for x
    x = 661,531,395,692.99/939,797.78
  6. Step 6: Final answer
    x = 703,908.24

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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.