Home / 672,375.23-927,850.78-366,445.07

Finding the Fourth Proportional to 672,375.23, 927,850.78 and 366,445.07

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Solution

The fourth proportional to 672,375.23, 927,850.78 and 366,445.07 is: 505,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,375.23 : 927,850.78 = 366,445.07 : x
  2. Step 2: Convert to fraction form
    672,375.23/927,850.78 = 366,445.07/x
  3. Step 3: Cross multiply
    672,375.23x = 927,850.78 × 366,445.07
  4. Step 4: Simplify right side
    672,375.23x = 340,006,344,026.66
  5. Step 5: Solve for x
    x = 340,006,344,026.66/672,375.23
  6. Step 6: Final answer
    x = 505,679.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.