Home / 998,076.30-1,497,114.45-820,929.30

Finding the Fourth Proportional to 998,076.30, 1,497,114.45 and 820,929.30

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Solution

The fourth proportional to 998,076.30, 1,497,114.45 and 820,929.30 is: 1,231,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,076.30 : 1,497,114.45 = 820,929.30 : x
  2. Step 2: Convert to fraction form
    998,076.30/1,497,114.45 = 820,929.30/x
  3. Step 3: Cross multiply
    998,076.30x = 1,497,114.45 × 820,929.30
  4. Step 4: Simplify right side
    998,076.30x = 1,229,025,117,458.39
  5. Step 5: Solve for x
    x = 1,229,025,117,458.39/998,076.30
  6. Step 6: Final answer
    x = 1,231,393.95

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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.