Home / 939,845.94-1,296,952.65-510,116.85

Finding the Fourth Proportional to 939,845.94, 1,296,952.65 and 510,116.85

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Solution

The fourth proportional to 939,845.94, 1,296,952.65 and 510,116.85 is: 703,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,845.94 : 1,296,952.65 = 510,116.85 : x
  2. Step 2: Convert to fraction form
    939,845.94/1,296,952.65 = 510,116.85/x
  3. Step 3: Cross multiply
    939,845.94x = 1,296,952.65 × 510,116.85
  4. Step 4: Simplify right side
    939,845.94x = 661,597,400,417.15
  5. Step 5: Solve for x
    x = 661,597,400,417.15/939,845.94
  6. Step 6: Final answer
    x = 703,942.39

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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.