Home / 831,846.01-1,148,000.67-469,137.53

Finding the Fourth Proportional to 831,846.01, 1,148,000.67 and 469,137.53

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Solution

The fourth proportional to 831,846.01, 1,148,000.67 and 469,137.53 is: 647,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,846.01 : 1,148,000.67 = 469,137.53 : x
  2. Step 2: Convert to fraction form
    831,846.01/1,148,000.67 = 469,137.53/x
  3. Step 3: Cross multiply
    831,846.01x = 1,148,000.67 × 469,137.53
  4. Step 4: Simplify right side
    831,846.01x = 538,570,190,676.45
  5. Step 5: Solve for x
    x = 538,570,190,676.45/831,846.01
  6. Step 6: Final answer
    x = 647,439.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.