Home / 858,797.70-1,288,196.55-703,277.70

Finding the Fourth Proportional to 858,797.70, 1,288,196.55 and 703,277.70

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Solution

The fourth proportional to 858,797.70, 1,288,196.55 and 703,277.70 is: 1,054,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,797.70 : 1,288,196.55 = 703,277.70 : x
  2. Step 2: Convert to fraction form
    858,797.70/1,288,196.55 = 703,277.70/x
  3. Step 3: Cross multiply
    858,797.70x = 1,288,196.55 × 703,277.70
  4. Step 4: Simplify right side
    858,797.70x = 905,959,906,831.94
  5. Step 5: Solve for x
    x = 905,959,906,831.94/858,797.70
  6. Step 6: Final answer
    x = 1,054,916.55

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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.