Home / 898,983.14-1,240,634.43-517,010.22

Finding the Fourth Proportional to 898,983.14, 1,240,634.43 and 517,010.22

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Solution

The fourth proportional to 898,983.14, 1,240,634.43 and 517,010.22 is: 713,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,983.14 : 1,240,634.43 = 517,010.22 : x
  2. Step 2: Convert to fraction form
    898,983.14/1,240,634.43 = 517,010.22/x
  3. Step 3: Cross multiply
    898,983.14x = 1,240,634.43 × 517,010.22
  4. Step 4: Simplify right side
    898,983.14x = 641,420,679,593.88
  5. Step 5: Solve for x
    x = 641,420,679,593.88/898,983.14
  6. Step 6: Final answer
    x = 713,495.79

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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.