Home / 831,472.90-1,247,576.55-404,772.10

Finding the Fourth Proportional to 831,472.90, 1,247,576.55 and 404,772.10

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Solution

The fourth proportional to 831,472.90, 1,247,576.55 and 404,772.10 is: 607,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,472.90 : 1,247,576.55 = 404,772.10 : x
  2. Step 2: Convert to fraction form
    831,472.90/1,247,576.55 = 404,772.10/x
  3. Step 3: Cross multiply
    831,472.90x = 1,247,576.55 × 404,772.10
  4. Step 4: Simplify right side
    831,472.90x = 504,984,180,054.26
  5. Step 5: Solve for x
    x = 504,984,180,054.26/831,472.90
  6. Step 6: Final answer
    x = 607,336.91

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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.