Home / 432,040.70-646,927.05-304,994.90

Finding the Fourth Proportional to 432,040.70, 646,927.05 and 304,994.90

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Solution

The fourth proportional to 432,040.70, 646,927.05 and 304,994.90 is: 456,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,040.70 : 646,927.05 = 304,994.90 : x
  2. Step 2: Convert to fraction form
    432,040.70/646,927.05 = 304,994.90/x
  3. Step 3: Cross multiply
    432,040.70x = 646,927.05 × 304,994.90
  4. Step 4: Simplify right side
    432,040.70x = 197,309,450,922.05
  5. Step 5: Solve for x
    x = 197,309,450,922.05/432,040.70
  6. Step 6: Final answer
    x = 456,691.81

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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.