Home / 948,362.40-1,422,247.44-317,128.80

Finding the Fourth Proportional to 948,362.40, 1,422,247.44 and 317,128.80

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Solution

The fourth proportional to 948,362.40, 1,422,247.44 and 317,128.80 is: 475,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,362.40 : 1,422,247.44 = 317,128.80 : x
  2. Step 2: Convert to fraction form
    948,362.40/1,422,247.44 = 317,128.80/x
  3. Step 3: Cross multiply
    948,362.40x = 1,422,247.44 × 317,128.80
  4. Step 4: Simplify right side
    948,362.40x = 451,035,623,950.27
  5. Step 5: Solve for x
    x = 451,035,623,950.27/948,362.40
  6. Step 6: Final answer
    x = 475,594.17

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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.