Home / 831,060.56-1,247,696.76-437,353.04

Finding the Fourth Proportional to 831,060.56, 1,247,696.76 and 437,353.04

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Solution

The fourth proportional to 831,060.56, 1,247,696.76 and 437,353.04 is: 656,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,060.56 : 1,247,696.76 = 437,353.04 : x
  2. Step 2: Convert to fraction form
    831,060.56/1,247,696.76 = 437,353.04/x
  3. Step 3: Cross multiply
    831,060.56x = 1,247,696.76 × 437,353.04
  4. Step 4: Simplify right side
    831,060.56x = 545,683,970,984.15
  5. Step 5: Solve for x
    x = 545,683,970,984.15/831,060.56
  6. Step 6: Final answer
    x = 656,611.56

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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.