Home / 943,448.38-1,301,974.32-513,736.90

Finding the Fourth Proportional to 943,448.38, 1,301,974.32 and 513,736.90

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Solution

The fourth proportional to 943,448.38, 1,301,974.32 and 513,736.90 is: 708,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,448.38 : 1,301,974.32 = 513,736.90 : x
  2. Step 2: Convert to fraction form
    943,448.38/1,301,974.32 = 513,736.90/x
  3. Step 3: Cross multiply
    943,448.38x = 1,301,974.32 × 513,736.90
  4. Step 4: Simplify right side
    943,448.38x = 668,872,252,663.88
  5. Step 5: Solve for x
    x = 668,872,252,663.88/943,448.38
  6. Step 6: Final answer
    x = 708,965.39

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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.