Home / 456,622.06-684,937.67-203,915.34

Finding the Fourth Proportional to 456,622.06, 684,937.67 and 203,915.34

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Solution

The fourth proportional to 456,622.06, 684,937.67 and 203,915.34 is: 305,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,622.06 : 684,937.67 = 203,915.34 : x
  2. Step 2: Convert to fraction form
    456,622.06/684,937.67 = 203,915.34/x
  3. Step 3: Cross multiply
    456,622.06x = 684,937.67 × 203,915.34
  4. Step 4: Simplify right side
    456,622.06x = 139,669,297,984.31
  5. Step 5: Solve for x
    x = 139,669,297,984.31/456,622.06
  6. Step 6: Final answer
    x = 305,875.06

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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.