Home / 945,826.97-1,418,700.75-440,214.03

Finding the Fourth Proportional to 945,826.97, 1,418,700.75 and 440,214.03

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Solution

The fourth proportional to 945,826.97, 1,418,700.75 and 440,214.03 is: 660,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,826.97 : 1,418,700.75 = 440,214.03 : x
  2. Step 2: Convert to fraction form
    945,826.97/1,418,700.75 = 440,214.03/x
  3. Step 3: Cross multiply
    945,826.97x = 1,418,700.75 × 440,214.03
  4. Step 4: Simplify right side
    945,826.97x = 624,531,974,521.52
  5. Step 5: Solve for x
    x = 624,531,974,521.52/945,826.97
  6. Step 6: Final answer
    x = 660,302.57

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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.