Home / 950,634.36-1,311,852.78-520,893.72

Finding the Fourth Proportional to 950,634.36, 1,311,852.78 and 520,893.72

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Solution

The fourth proportional to 950,634.36, 1,311,852.78 and 520,893.72 is: 718,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,634.36 : 1,311,852.78 = 520,893.72 : x
  2. Step 2: Convert to fraction form
    950,634.36/1,311,852.78 = 520,893.72/x
  3. Step 3: Cross multiply
    950,634.36x = 1,311,852.78 × 520,893.72
  4. Step 4: Simplify right side
    950,634.36x = 683,335,874,666.54
  5. Step 5: Solve for x
    x = 683,335,874,666.54/950,634.36
  6. Step 6: Final answer
    x = 718,820.93

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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.