Home / 787,419.36-1,181,317.19-254,940.98

Finding the Fourth Proportional to 787,419.36, 1,181,317.19 and 254,940.98

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Solution

The fourth proportional to 787,419.36, 1,181,317.19 and 254,940.98 is: 382,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,419.36 : 1,181,317.19 = 254,940.98 : x
  2. Step 2: Convert to fraction form
    787,419.36/1,181,317.19 = 254,940.98/x
  3. Step 3: Cross multiply
    787,419.36x = 1,181,317.19 × 254,940.98
  4. Step 4: Simplify right side
    787,419.36x = 301,166,154,928.16
  5. Step 5: Solve for x
    x = 301,166,154,928.16/787,419.36
  6. Step 6: Final answer
    x = 382,472.38

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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.