Home / 878,727.73-1,318,079.29-346,253.37

Finding the Fourth Proportional to 878,727.73, 1,318,079.29 and 346,253.37

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Solution

The fourth proportional to 878,727.73, 1,318,079.29 and 346,253.37 is: 519,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,727.73 : 1,318,079.29 = 346,253.37 : x
  2. Step 2: Convert to fraction form
    878,727.73/1,318,079.29 = 346,253.37/x
  3. Step 3: Cross multiply
    878,727.73x = 1,318,079.29 × 346,253.37
  4. Step 4: Simplify right side
    878,727.73x = 456,389,396,089.71
  5. Step 5: Solve for x
    x = 456,389,396,089.71/878,727.73
  6. Step 6: Final answer
    x = 519,375.21

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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.