Home / 646,765.35-892,563.09-360,285.36

Finding the Fourth Proportional to 646,765.35, 892,563.09 and 360,285.36

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Solution

The fourth proportional to 646,765.35, 892,563.09 and 360,285.36 is: 497,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,765.35 : 892,563.09 = 360,285.36 : x
  2. Step 2: Convert to fraction form
    646,765.35/892,563.09 = 360,285.36/x
  3. Step 3: Cross multiply
    646,765.35x = 892,563.09 × 360,285.36
  4. Step 4: Simplify right side
    646,765.35x = 321,577,414,203.36
  5. Step 5: Solve for x
    x = 321,577,414,203.36/646,765.35
  6. Step 6: Final answer
    x = 497,208.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.