Home / 945,983.20-1,418,974.80-384,728.80

Finding the Fourth Proportional to 945,983.20, 1,418,974.80 and 384,728.80

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Solution

The fourth proportional to 945,983.20, 1,418,974.80 and 384,728.80 is: 577,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,983.20 : 1,418,974.80 = 384,728.80 : x
  2. Step 2: Convert to fraction form
    945,983.20/1,418,974.80 = 384,728.80/x
  3. Step 3: Cross multiply
    945,983.20x = 1,418,974.80 × 384,728.80
  4. Step 4: Simplify right side
    945,983.20x = 545,920,472,034.24
  5. Step 5: Solve for x
    x = 545,920,472,034.24/945,983.20
  6. Step 6: Final answer
    x = 577,093.20

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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.