Home / 775,911.15-1,163,576.34-270,342.36

Finding the Fourth Proportional to 775,911.15, 1,163,576.34 and 270,342.36

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Solution

The fourth proportional to 775,911.15, 1,163,576.34 and 270,342.36 is: 405,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,911.15 : 1,163,576.34 = 270,342.36 : x
  2. Step 2: Convert to fraction form
    775,911.15/1,163,576.34 = 270,342.36/x
  3. Step 3: Cross multiply
    775,911.15x = 1,163,576.34 × 270,342.36
  4. Step 4: Simplify right side
    775,911.15x = 314,563,973,795.76
  5. Step 5: Solve for x
    x = 314,563,973,795.76/775,911.15
  6. Step 6: Final answer
    x = 405,412.36

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Double scale
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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.