Home / 831,137.49-1,246,776.98-262,366.43

Finding the Fourth Proportional to 831,137.49, 1,246,776.98 and 262,366.43

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Solution

The fourth proportional to 831,137.49, 1,246,776.98 and 262,366.43 is: 393,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,137.49 : 1,246,776.98 = 262,366.43 : x
  2. Step 2: Convert to fraction form
    831,137.49/1,246,776.98 = 262,366.43/x
  3. Step 3: Cross multiply
    831,137.49x = 1,246,776.98 × 262,366.43
  4. Step 4: Simplify right side
    831,137.49x = 327,112,417,703.06
  5. Step 5: Solve for x
    x = 327,112,417,703.06/831,137.49
  6. Step 6: Final answer
    x = 393,571.97

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1.5x scale

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.