Home / 785,735.28-1,178,632.08-253,263.96

Finding the Fourth Proportional to 785,735.28, 1,178,632.08 and 253,263.96

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Solution

The fourth proportional to 785,735.28, 1,178,632.08 and 253,263.96 is: 379,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,735.28 : 1,178,632.08 = 253,263.96 : x
  2. Step 2: Convert to fraction form
    785,735.28/1,178,632.08 = 253,263.96/x
  3. Step 3: Cross multiply
    785,735.28x = 1,178,632.08 × 253,263.96
  4. Step 4: Simplify right side
    785,735.28x = 298,505,027,963.84
  5. Step 5: Solve for x
    x = 298,505,027,963.84/785,735.28
  6. Step 6: Final answer
    x = 379,905.34

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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.