Home / 900,194.31-1,349,875.89-331,432.56

Finding the Fourth Proportional to 900,194.31, 1,349,875.89 and 331,432.56

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Solution

The fourth proportional to 900,194.31, 1,349,875.89 and 331,432.56 is: 496,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,194.31 : 1,349,875.89 = 331,432.56 : x
  2. Step 2: Convert to fraction form
    900,194.31/1,349,875.89 = 331,432.56/x
  3. Step 3: Cross multiply
    900,194.31x = 1,349,875.89 × 331,432.56
  4. Step 4: Simplify right side
    900,194.31x = 447,392,821,904.98
  5. Step 5: Solve for x
    x = 447,392,821,904.98/900,194.31
  6. Step 6: Final answer
    x = 496,995.83

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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.