Home / 785,736.28-1,178,633.58-253,264.96

Finding the Fourth Proportional to 785,736.28, 1,178,633.58 and 253,264.96

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Solution

The fourth proportional to 785,736.28, 1,178,633.58 and 253,264.96 is: 379,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,736.28 : 1,178,633.58 = 253,264.96 : x
  2. Step 2: Convert to fraction form
    785,736.28/1,178,633.58 = 253,264.96/x
  3. Step 3: Cross multiply
    785,736.28x = 1,178,633.58 × 253,264.96
  4. Step 4: Simplify right side
    785,736.28x = 298,506,586,493.36
  5. Step 5: Solve for x
    x = 298,506,586,493.36/785,736.28
  6. Step 6: Final answer
    x = 379,906.84

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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.