Home / 849,917.88-1,172,893.68-462,735.90

Finding the Fourth Proportional to 849,917.88, 1,172,893.68 and 462,735.90

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Solution

The fourth proportional to 849,917.88, 1,172,893.68 and 462,735.90 is: 638,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,917.88 : 1,172,893.68 = 462,735.90 : x
  2. Step 2: Convert to fraction form
    849,917.88/1,172,893.68 = 462,735.90/x
  3. Step 3: Cross multiply
    849,917.88x = 1,172,893.68 × 462,735.90
  4. Step 4: Simplify right side
    849,917.88x = 542,740,012,619.11
  5. Step 5: Solve for x
    x = 542,740,012,619.11/849,917.88
  6. Step 6: Final answer
    x = 638,579.36

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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.