Home / 930,504.40-1,395,999.60-299,433.40

Finding the Fourth Proportional to 930,504.40, 1,395,999.60 and 299,433.40

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Solution

The fourth proportional to 930,504.40, 1,395,999.60 and 299,433.40 is: 449,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,504.40 : 1,395,999.60 = 299,433.40 : x
  2. Step 2: Convert to fraction form
    930,504.40/1,395,999.60 = 299,433.40/x
  3. Step 3: Cross multiply
    930,504.40x = 1,395,999.60 × 299,433.40
  4. Step 4: Simplify right side
    930,504.40x = 418,008,906,626.64
  5. Step 5: Solve for x
    x = 418,008,906,626.64/930,504.40
  6. Step 6: Final answer
    x = 449,228.30

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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.