Home / 948,173.38-1,422,261.44-387,207.88

Finding the Fourth Proportional to 948,173.38, 1,422,261.44 and 387,207.88

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Solution

The fourth proportional to 948,173.38, 1,422,261.44 and 387,207.88 is: 580,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,173.38 : 1,422,261.44 = 387,207.88 : x
  2. Step 2: Convert to fraction form
    948,173.38/1,422,261.44 = 387,207.88/x
  3. Step 3: Cross multiply
    948,173.38x = 1,422,261.44 × 387,207.88
  4. Step 4: Simplify right side
    948,173.38x = 550,710,836,988.15
  5. Step 5: Solve for x
    x = 550,710,836,988.15/948,173.38
  6. Step 6: Final answer
    x = 580,812.38

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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.