Home / 816,044.90-1,125,813.13-493,194.49

Finding the Fourth Proportional to 816,044.90, 1,125,813.13 and 493,194.49

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Solution

The fourth proportional to 816,044.90, 1,125,813.13 and 493,194.49 is: 680,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,044.90 : 1,125,813.13 = 493,194.49 : x
  2. Step 2: Convert to fraction form
    816,044.90/1,125,813.13 = 493,194.49/x
  3. Step 3: Cross multiply
    816,044.90x = 1,125,813.13 × 493,194.49
  4. Step 4: Simplify right side
    816,044.90x = 555,244,830,019.68
  5. Step 5: Solve for x
    x = 555,244,830,019.68/816,044.90
  6. Step 6: Final answer
    x = 680,409.66

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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.