Home / 948,165.80-1,422,250.14-387,200.36

Finding the Fourth Proportional to 948,165.80, 1,422,250.14 and 387,200.36

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Solution

The fourth proportional to 948,165.80, 1,422,250.14 and 387,200.36 is: 580,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,165.80 : 1,422,250.14 = 387,200.36 : x
  2. Step 2: Convert to fraction form
    948,165.80/1,422,250.14 = 387,200.36/x
  3. Step 3: Cross multiply
    948,165.80x = 1,422,250.14 × 387,200.36
  4. Step 4: Simplify right side
    948,165.80x = 550,695,766,218.05
  5. Step 5: Solve for x
    x = 550,695,766,218.05/948,165.80
  6. Step 6: Final answer
    x = 580,801.13

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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.