Home / 806,249.30-1,112,669.97-462,142.46

Finding the Fourth Proportional to 806,249.30, 1,112,669.97 and 462,142.46

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Solution

The fourth proportional to 806,249.30, 1,112,669.97 and 462,142.46 is: 637,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,249.30 : 1,112,669.97 = 462,142.46 : x
  2. Step 2: Convert to fraction form
    806,249.30/1,112,669.97 = 462,142.46/x
  3. Step 3: Cross multiply
    806,249.30x = 1,112,669.97 × 462,142.46
  4. Step 4: Simplify right side
    806,249.30x = 514,212,038,152.57
  5. Step 5: Solve for x
    x = 514,212,038,152.57/806,249.30
  6. Step 6: Final answer
    x = 637,782.93

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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.