Home / 831,674.49-1,147,614.43-469,104.44

Finding the Fourth Proportional to 831,674.49, 1,147,614.43 and 469,104.44

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Solution

The fourth proportional to 831,674.49, 1,147,614.43 and 469,104.44 is: 647,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,674.49 : 1,147,614.43 = 469,104.44 : x
  2. Step 2: Convert to fraction form
    831,674.49/1,147,614.43 = 469,104.44/x
  3. Step 3: Cross multiply
    831,674.49x = 1,147,614.43 × 469,104.44
  4. Step 4: Simplify right side
    831,674.49x = 538,351,021,717.47
  5. Step 5: Solve for x
    x = 538,351,021,717.47/831,674.49
  6. Step 6: Final answer
    x = 647,309.77

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1.5x scale

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.