Home / 792,950.57-1,092,763.37-778,377.05

Finding the Fourth Proportional to 792,950.57, 1,092,763.37 and 778,377.05

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Solution

The fourth proportional to 792,950.57, 1,092,763.37 and 778,377.05 is: 1,072,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,950.57 : 1,092,763.37 = 778,377.05 : x
  2. Step 2: Convert to fraction form
    792,950.57/1,092,763.37 = 778,377.05/x
  3. Step 3: Cross multiply
    792,950.57x = 1,092,763.37 × 778,377.05
  4. Step 4: Simplify right side
    792,950.57x = 850,581,928,288.66
  5. Step 5: Solve for x
    x = 850,581,928,288.66/792,950.57
  6. Step 6: Final answer
    x = 1,072,679.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.