Home / 671,720.15-1,007,393.07-222,476.20

Finding the Fourth Proportional to 671,720.15, 1,007,393.07 and 222,476.20

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Solution

The fourth proportional to 671,720.15, 1,007,393.07 and 222,476.20 is: 333,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,720.15 : 1,007,393.07 = 222,476.20 : x
  2. Step 2: Convert to fraction form
    671,720.15/1,007,393.07 = 222,476.20/x
  3. Step 3: Cross multiply
    671,720.15x = 1,007,393.07 × 222,476.20
  4. Step 4: Simplify right side
    671,720.15x = 224,120,982,119.93
  5. Step 5: Solve for x
    x = 224,120,982,119.93/671,720.15
  6. Step 6: Final answer
    x = 333,652.31

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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.