Home / 852,988.78-1,279,484.82-221,901.58

Finding the Fourth Proportional to 852,988.78, 1,279,484.82 and 221,901.58

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Solution

The fourth proportional to 852,988.78, 1,279,484.82 and 221,901.58 is: 332,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,988.78 : 1,279,484.82 = 221,901.58 : x
  2. Step 2: Convert to fraction form
    852,988.78/1,279,484.82 = 221,901.58/x
  3. Step 3: Cross multiply
    852,988.78x = 1,279,484.82 × 221,901.58
  4. Step 4: Simplify right side
    852,988.78x = 283,919,703,144.02
  5. Step 5: Solve for x
    x = 283,919,703,144.02/852,988.78
  6. Step 6: Final answer
    x = 332,852.80

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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.