Home / 646,965.15-892,815.46-375,194.18

Finding the Fourth Proportional to 646,965.15, 892,815.46 and 375,194.18

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Solution

The fourth proportional to 646,965.15, 892,815.46 and 375,194.18 is: 517,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,965.15 : 892,815.46 = 375,194.18 : x
  2. Step 2: Convert to fraction form
    646,965.15/892,815.46 = 375,194.18/x
  3. Step 3: Cross multiply
    646,965.15x = 892,815.46 × 375,194.18
  4. Step 4: Simplify right side
    646,965.15x = 334,979,167,810.54
  5. Step 5: Solve for x
    x = 334,979,167,810.54/646,965.15
  6. Step 6: Final answer
    x = 517,770.04

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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.