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Finding the Fourth Proportional to 802,277.67, 1,200,703.96 and 780,688.02

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Solution

The fourth proportional to 802,277.67, 1,200,703.96 and 780,688.02 is: 1,168,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,277.67 : 1,200,703.96 = 780,688.02 : x
  2. Step 2: Convert to fraction form
    802,277.67/1,200,703.96 = 780,688.02/x
  3. Step 3: Cross multiply
    802,277.67x = 1,200,703.96 × 780,688.02
  4. Step 4: Simplify right side
    802,277.67x = 937,375,197,138.56
  5. Step 5: Solve for x
    x = 937,375,197,138.56/802,277.67
  6. Step 6: Final answer
    x = 1,168,392.48

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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.