Home / 671,307.74-1,007,055.56-215,745.88

Finding the Fourth Proportional to 671,307.74, 1,007,055.56 and 215,745.88

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Solution

The fourth proportional to 671,307.74, 1,007,055.56 and 215,745.88 is: 323,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,307.74 : 1,007,055.56 = 215,745.88 : x
  2. Step 2: Convert to fraction form
    671,307.74/1,007,055.56 = 215,745.88/x
  3. Step 3: Cross multiply
    671,307.74x = 1,007,055.56 × 215,745.88
  4. Step 4: Simplify right side
    671,307.74x = 217,268,087,304.26
  5. Step 5: Solve for x
    x = 217,268,087,304.26/671,307.74
  6. Step 6: Final answer
    x = 323,649.01

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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.