Home / 779,837.80-1,076,166.18-422,141.80

Finding the Fourth Proportional to 779,837.80, 1,076,166.18 and 422,141.80

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Solution

The fourth proportional to 779,837.80, 1,076,166.18 and 422,141.80 is: 582,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,837.80 : 1,076,166.18 = 422,141.80 : x
  2. Step 2: Convert to fraction form
    779,837.80/1,076,166.18 = 422,141.80/x
  3. Step 3: Cross multiply
    779,837.80x = 1,076,166.18 × 422,141.80
  4. Step 4: Simplify right side
    779,837.80x = 454,294,728,324.32
  5. Step 5: Solve for x
    x = 454,294,728,324.32/779,837.80
  6. Step 6: Final answer
    x = 582,550.28

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1.5x scale

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.