Home / 939,565.36-1,296,603.78-509,845.48

Finding the Fourth Proportional to 939,565.36, 1,296,603.78 and 509,845.48

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Solution

The fourth proportional to 939,565.36, 1,296,603.78 and 509,845.48 is: 703,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,565.36 : 1,296,603.78 = 509,845.48 : x
  2. Step 2: Convert to fraction form
    939,565.36/1,296,603.78 = 509,845.48/x
  3. Step 3: Cross multiply
    939,565.36x = 1,296,603.78 × 509,845.48
  4. Step 4: Simplify right side
    939,565.36x = 661,067,576,583.91
  5. Step 5: Solve for x
    x = 661,067,576,583.91/939,565.36
  6. Step 6: Final answer
    x = 703,588.71

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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.