Home / 652,922.20-979,360.44-268,657.18

Finding the Fourth Proportional to 652,922.20, 979,360.44 and 268,657.18

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Solution

The fourth proportional to 652,922.20, 979,360.44 and 268,657.18 is: 402,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,922.20 : 979,360.44 = 268,657.18 : x
  2. Step 2: Convert to fraction form
    652,922.20/979,360.44 = 268,657.18/x
  3. Step 3: Cross multiply
    652,922.20x = 979,360.44 × 268,657.18
  4. Step 4: Simplify right side
    652,922.20x = 263,112,214,013.96
  5. Step 5: Solve for x
    x = 263,112,214,013.96/652,922.20
  6. Step 6: Final answer
    x = 402,976.36

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Double scale
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Similar ratio
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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.