Home / 836,720.76-1,254,582.02-331,354.20

Finding the Fourth Proportional to 836,720.76, 1,254,582.02 and 331,354.20

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Solution

The fourth proportional to 836,720.76, 1,254,582.02 and 331,354.20 is: 496,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,720.76 : 1,254,582.02 = 331,354.20 : x
  2. Step 2: Convert to fraction form
    836,720.76/1,254,582.02 = 331,354.20/x
  3. Step 3: Cross multiply
    836,720.76x = 1,254,582.02 × 331,354.20
  4. Step 4: Simplify right side
    836,720.76x = 415,711,021,571.48
  5. Step 5: Solve for x
    x = 415,711,021,571.48/836,720.76
  6. Step 6: Final answer
    x = 496,833.64

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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.