Home / 894,989.05-1,342,278.54-255,280.61

Finding the Fourth Proportional to 894,989.05, 1,342,278.54 and 255,280.61

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Solution

The fourth proportional to 894,989.05, 1,342,278.54 and 255,280.61 is: 382,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,989.05 : 1,342,278.54 = 255,280.61 : x
  2. Step 2: Convert to fraction form
    894,989.05/1,342,278.54 = 255,280.61/x
  3. Step 3: Cross multiply
    894,989.05x = 1,342,278.54 × 255,280.61
  4. Step 4: Simplify right side
    894,989.05x = 342,657,687,836.81
  5. Step 5: Solve for x
    x = 342,657,687,836.81/894,989.05
  6. Step 6: Final answer
    x = 382,862.44

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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.