Home / 945,834.40-1,304,910.28-728,109.64

Finding the Fourth Proportional to 945,834.40, 1,304,910.28 and 728,109.64

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Solution

The fourth proportional to 945,834.40, 1,304,910.28 and 728,109.64 is: 1,004,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,834.40 : 1,304,910.28 = 728,109.64 : x
  2. Step 2: Convert to fraction form
    945,834.40/1,304,910.28 = 728,109.64/x
  3. Step 3: Cross multiply
    945,834.40x = 1,304,910.28 × 728,109.64
  4. Step 4: Simplify right side
    945,834.40x = 950,117,754,203.10
  5. Step 5: Solve for x
    x = 950,117,754,203.10/945,834.40
  6. Step 6: Final answer
    x = 1,004,528.65

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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.