Home / 497,185.94-686,116.77-270,831.44

Finding the Fourth Proportional to 497,185.94, 686,116.77 and 270,831.44

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Solution

The fourth proportional to 497,185.94, 686,116.77 and 270,831.44 is: 373,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,185.94 : 686,116.77 = 270,831.44 : x
  2. Step 2: Convert to fraction form
    497,185.94/686,116.77 = 270,831.44/x
  3. Step 3: Cross multiply
    497,185.94x = 686,116.77 × 270,831.44
  4. Step 4: Simplify right side
    497,185.94x = 185,821,992,827.25
  5. Step 5: Solve for x
    x = 185,821,992,827.25/497,185.94
  6. Step 6: Final answer
    x = 373,747.48

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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.