Home / 767,788.34-1,151,682.30-412,313.36

Finding the Fourth Proportional to 767,788.34, 1,151,682.30 and 412,313.36

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Solution

The fourth proportional to 767,788.34, 1,151,682.30 and 412,313.36 is: 618,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,788.34 : 1,151,682.30 = 412,313.36 : x
  2. Step 2: Convert to fraction form
    767,788.34/1,151,682.30 = 412,313.36/x
  3. Step 3: Cross multiply
    767,788.34x = 1,151,682.30 × 412,313.36
  4. Step 4: Simplify right side
    767,788.34x = 474,853,993,007.12
  5. Step 5: Solve for x
    x = 474,853,993,007.12/767,788.34
  6. Step 6: Final answer
    x = 618,469.92

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1.5x scale

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.