Home / 457,266.28-631,246.26-304,558.60

Finding the Fourth Proportional to 457,266.28, 631,246.26 and 304,558.60

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Solution

The fourth proportional to 457,266.28, 631,246.26 and 304,558.60 is: 420,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,266.28 : 631,246.26 = 304,558.60 : x
  2. Step 2: Convert to fraction form
    457,266.28/631,246.26 = 304,558.60/x
  3. Step 3: Cross multiply
    457,266.28x = 631,246.26 × 304,558.60
  4. Step 4: Simplify right side
    457,266.28x = 192,251,477,200.84
  5. Step 5: Solve for x
    x = 192,251,477,200.84/457,266.28
  6. Step 6: Final answer
    x = 420,436.59

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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.