Home / 494,427.92-740,432.28-446,504.77

Finding the Fourth Proportional to 494,427.92, 740,432.28 and 446,504.77

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Solution

The fourth proportional to 494,427.92, 740,432.28 and 446,504.77 is: 668,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,427.92 : 740,432.28 = 446,504.77 : x
  2. Step 2: Convert to fraction form
    494,427.92/740,432.28 = 446,504.77/x
  3. Step 3: Cross multiply
    494,427.92x = 740,432.28 × 446,504.77
  4. Step 4: Simplify right side
    494,427.92x = 330,606,541,179.81
  5. Step 5: Solve for x
    x = 330,606,541,179.81/494,427.92
  6. Step 6: Final answer
    x = 668,664.79

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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.