Home / 456,619.10-684,933.28-203,912.46

Finding the Fourth Proportional to 456,619.10, 684,933.28 and 203,912.46

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Solution

The fourth proportional to 456,619.10, 684,933.28 and 203,912.46 is: 305,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,619.10 : 684,933.28 = 203,912.46 : x
  2. Step 2: Convert to fraction form
    456,619.10/684,933.28 = 203,912.46/x
  3. Step 3: Cross multiply
    456,619.10x = 684,933.28 × 203,912.46
  4. Step 4: Simplify right side
    456,619.10x = 139,666,430,060.67
  5. Step 5: Solve for x
    x = 139,666,430,060.67/456,619.10
  6. Step 6: Final answer
    x = 305,870.76

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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.