Home / 646,424.19-892,047.09-352,067.22

Finding the Fourth Proportional to 646,424.19, 892,047.09 and 352,067.22

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Solution

The fourth proportional to 646,424.19, 892,047.09 and 352,067.22 is: 485,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,424.19 : 892,047.09 = 352,067.22 : x
  2. Step 2: Convert to fraction form
    646,424.19/892,047.09 = 352,067.22/x
  3. Step 3: Cross multiply
    646,424.19x = 892,047.09 × 352,067.22
  4. Step 4: Simplify right side
    646,424.19x = 314,060,540,405.64
  5. Step 5: Solve for x
    x = 314,060,540,405.64/646,424.19
  6. Step 6: Final answer
    x = 485,842.80

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1.5x scale

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.