Home / 784,549.06-1,176,998.43-285,913.06

Finding the Fourth Proportional to 784,549.06, 1,176,998.43 and 285,913.06

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Solution

The fourth proportional to 784,549.06, 1,176,998.43 and 285,913.06 is: 428,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,549.06 : 1,176,998.43 = 285,913.06 : x
  2. Step 2: Convert to fraction form
    784,549.06/1,176,998.43 = 285,913.06/x
  3. Step 3: Cross multiply
    784,549.06x = 1,176,998.43 × 285,913.06
  4. Step 4: Simplify right side
    784,549.06x = 336,519,222,736.50
  5. Step 5: Solve for x
    x = 336,519,222,736.50/784,549.06
  6. Step 6: Final answer
    x = 428,933.31

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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.