Home / 900,188.82-1,349,867.66-331,427.06

Finding the Fourth Proportional to 900,188.82, 1,349,867.66 and 331,427.06

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Solution

The fourth proportional to 900,188.82, 1,349,867.66 and 331,427.06 is: 496,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,188.82 : 1,349,867.66 = 331,427.06 : x
  2. Step 2: Convert to fraction form
    900,188.82/1,349,867.66 = 331,427.06/x
  3. Step 3: Cross multiply
    900,188.82x = 1,349,867.66 × 331,427.06
  4. Step 4: Simplify right side
    900,188.82x = 447,382,669,942.88
  5. Step 5: Solve for x
    x = 447,382,669,942.88/900,188.82
  6. Step 6: Final answer
    x = 496,987.59

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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.