Home / 836,838.45-1,255,266.54-331,522.47

Finding the Fourth Proportional to 836,838.45, 1,255,266.54 and 331,522.47

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Solution

The fourth proportional to 836,838.45, 1,255,266.54 and 331,522.47 is: 497,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,838.45 : 1,255,266.54 = 331,522.47 : x
  2. Step 2: Convert to fraction form
    836,838.45/1,255,266.54 = 331,522.47/x
  3. Step 3: Cross multiply
    836,838.45x = 1,255,266.54 × 331,522.47
  4. Step 4: Simplify right side
    836,838.45x = 416,149,063,849.15
  5. Step 5: Solve for x
    x = 416,149,063,849.15/836,838.45
  6. Step 6: Final answer
    x = 497,287.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.