Home / 784,962.80-1,177,455-223,997.20

Finding the Fourth Proportional to 784,962.80, 1,177,455 and 223,997.20

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Solution

The fourth proportional to 784,962.80, 1,177,455 and 223,997.20 is: 335,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,962.80 : 1,177,455 = 223,997.20 : x
  2. Step 2: Convert to fraction form
    784,962.80/1,177,455 = 223,997.20/x
  3. Step 3: Cross multiply
    784,962.80x = 1,177,455 × 223,997.20
  4. Step 4: Simplify right side
    784,962.80x = 263,746,623,126
  5. Step 5: Solve for x
    x = 263,746,623,126/784,962.80
  6. Step 6: Final answer
    x = 335,998.88

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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.