Home / 989,067.38-1,483,720.07-349,239.47

Finding the Fourth Proportional to 989,067.38, 1,483,720.07 and 349,239.47

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Solution

The fourth proportional to 989,067.38, 1,483,720.07 and 349,239.47 is: 523,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,067.38 : 1,483,720.07 = 349,239.47 : x
  2. Step 2: Convert to fraction form
    989,067.38/1,483,720.07 = 349,239.47/x
  3. Step 3: Cross multiply
    989,067.38x = 1,483,720.07 × 349,239.47
  4. Step 4: Simplify right side
    989,067.38x = 518,173,601,710.37
  5. Step 5: Solve for x
    x = 518,173,601,710.37/989,067.38
  6. Step 6: Final answer
    x = 523,901.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.