Home / 768,013.85-1,151,977.64-235,533.42

Finding the Fourth Proportional to 768,013.85, 1,151,977.64 and 235,533.42

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Solution

The fourth proportional to 768,013.85, 1,151,977.64 and 235,533.42 is: 353,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,013.85 : 1,151,977.64 = 235,533.42 : x
  2. Step 2: Convert to fraction form
    768,013.85/1,151,977.64 = 235,533.42/x
  3. Step 3: Cross multiply
    768,013.85x = 1,151,977.64 × 235,533.42
  4. Step 4: Simplify right side
    768,013.85x = 271,329,232,135.06
  5. Step 5: Solve for x
    x = 271,329,232,135.06/768,013.85
  6. Step 6: Final answer
    x = 353,286.90

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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.