Home / 646,965.18-892,815.50-375,194.22

Finding the Fourth Proportional to 646,965.18, 892,815.50 and 375,194.22

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Solution

The fourth proportional to 646,965.18, 892,815.50 and 375,194.22 is: 517,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,965.18 : 892,815.50 = 375,194.22 : x
  2. Step 2: Convert to fraction form
    646,965.18/892,815.50 = 375,194.22/x
  3. Step 3: Cross multiply
    646,965.18x = 892,815.50 × 375,194.22
  4. Step 4: Simplify right side
    646,965.18x = 334,979,215,126.41
  5. Step 5: Solve for x
    x = 334,979,215,126.41/646,965.18
  6. Step 6: Final answer
    x = 517,770.08

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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.