Home / 902,879.92-1,245,947.32-494,967.81

Finding the Fourth Proportional to 902,879.92, 1,245,947.32 and 494,967.81

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Solution

The fourth proportional to 902,879.92, 1,245,947.32 and 494,967.81 is: 683,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,879.92 : 1,245,947.32 = 494,967.81 : x
  2. Step 2: Convert to fraction form
    902,879.92/1,245,947.32 = 494,967.81/x
  3. Step 3: Cross multiply
    902,879.92x = 1,245,947.32 × 494,967.81
  4. Step 4: Simplify right side
    902,879.92x = 616,703,818,862.59
  5. Step 5: Solve for x
    x = 616,703,818,862.59/902,879.92
  6. Step 6: Final answer
    x = 683,040.80

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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.