Home / 780,266.16-1,076,470.56-576,805.60

Finding the Fourth Proportional to 780,266.16, 1,076,470.56 and 576,805.60

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Solution

The fourth proportional to 780,266.16, 1,076,470.56 and 576,805.60 is: 795,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,266.16 : 1,076,470.56 = 576,805.60 : x
  2. Step 2: Convert to fraction form
    780,266.16/1,076,470.56 = 576,805.60/x
  3. Step 3: Cross multiply
    780,266.16x = 1,076,470.56 × 576,805.60
  4. Step 4: Simplify right side
    780,266.16x = 620,914,247,243.14
  5. Step 5: Solve for x
    x = 620,914,247,243.14/780,266.16
  6. Step 6: Final answer
    x = 795,772.36

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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.