Home / 787,100.05-1,180,686.95-254,662.75

Finding the Fourth Proportional to 787,100.05, 1,180,686.95 and 254,662.75

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Solution

The fourth proportional to 787,100.05, 1,180,686.95 and 254,662.75 is: 382,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,100.05 : 1,180,686.95 = 254,662.75 : x
  2. Step 2: Convert to fraction form
    787,100.05/1,180,686.95 = 254,662.75/x
  3. Step 3: Cross multiply
    787,100.05x = 1,180,686.95 × 254,662.75
  4. Step 4: Simplify right side
    787,100.05x = 300,676,985,576.11
  5. Step 5: Solve for x
    x = 300,676,985,576.11/787,100.05
  6. Step 6: Final answer
    x = 382,006.06

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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.