Home / 802,278.60-1,203,417.90-762,912.60

Finding the Fourth Proportional to 802,278.60, 1,203,417.90 and 762,912.60

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Solution

The fourth proportional to 802,278.60, 1,203,417.90 and 762,912.60 is: 1,144,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,278.60 : 1,203,417.90 = 762,912.60 : x
  2. Step 2: Convert to fraction form
    802,278.60/1,203,417.90 = 762,912.60/x
  3. Step 3: Cross multiply
    802,278.60x = 1,203,417.90 × 762,912.60
  4. Step 4: Simplify right side
    802,278.60x = 918,102,678,975.54
  5. Step 5: Solve for x
    x = 918,102,678,975.54/802,278.60
  6. Step 6: Final answer
    x = 1,144,368.90

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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.