Home / 801,970.40-1,202,970.96-262,228.70

Finding the Fourth Proportional to 801,970.40, 1,202,970.96 and 262,228.70

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Solution

The fourth proportional to 801,970.40, 1,202,970.96 and 262,228.70 is: 393,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,970.40 : 1,202,970.96 = 262,228.70 : x
  2. Step 2: Convert to fraction form
    801,970.40/1,202,970.96 = 262,228.70/x
  3. Step 3: Cross multiply
    801,970.40x = 1,202,970.96 × 262,228.70
  4. Step 4: Simplify right side
    801,970.40x = 315,453,510,978.55
  5. Step 5: Solve for x
    x = 315,453,510,978.55/801,970.40
  6. Step 6: Final answer
    x = 393,348.07

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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.