Home / 776,027.70-1,161,878.76-396,131.22

Finding the Fourth Proportional to 776,027.70, 1,161,878.76 and 396,131.22

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Solution

The fourth proportional to 776,027.70, 1,161,878.76 and 396,131.22 is: 593,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,027.70 : 1,161,878.76 = 396,131.22 : x
  2. Step 2: Convert to fraction form
    776,027.70/1,161,878.76 = 396,131.22/x
  3. Step 3: Cross multiply
    776,027.70x = 1,161,878.76 × 396,131.22
  4. Step 4: Simplify right side
    776,027.70x = 460,256,450,690.89
  5. Step 5: Solve for x
    x = 460,256,450,690.89/776,027.70
  6. Step 6: Final answer
    x = 593,092.81

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1.5x scale

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.