Home / 787,329.56-1,181,020.80-254,855

Finding the Fourth Proportional to 787,329.56, 1,181,020.80 and 254,855

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Solution

The fourth proportional to 787,329.56, 1,181,020.80 and 254,855 is: 382,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,329.56 : 1,181,020.80 = 254,855 : x
  2. Step 2: Convert to fraction form
    787,329.56/1,181,020.80 = 254,855/x
  3. Step 3: Cross multiply
    787,329.56x = 1,181,020.80 × 254,855
  4. Step 4: Simplify right side
    787,329.56x = 300,989,055,984
  5. Step 5: Solve for x
    x = 300,989,055,984/787,329.56
  6. Step 6: Final answer
    x = 382,291.06

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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.