Home / 852,171.98-1,278,705.08-320,060.30

Finding the Fourth Proportional to 852,171.98, 1,278,705.08 and 320,060.30

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Solution

The fourth proportional to 852,171.98, 1,278,705.08 and 320,060.30 is: 480,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,171.98 : 1,278,705.08 = 320,060.30 : x
  2. Step 2: Convert to fraction form
    852,171.98/1,278,705.08 = 320,060.30/x
  3. Step 3: Cross multiply
    852,171.98x = 1,278,705.08 × 320,060.30
  4. Step 4: Simplify right side
    852,171.98x = 409,262,725,922.95
  5. Step 5: Solve for x
    x = 409,262,725,922.95/852,171.98
  6. Step 6: Final answer
    x = 480,258.37

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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.