Home / 646,940.21-892,781.15-375,169.47

Finding the Fourth Proportional to 646,940.21, 892,781.15 and 375,169.47

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Solution

The fourth proportional to 646,940.21, 892,781.15 and 375,169.47 is: 517,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,940.21 : 892,781.15 = 375,169.47 : x
  2. Step 2: Convert to fraction form
    646,940.21/892,781.15 = 375,169.47/x
  3. Step 3: Cross multiply
    646,940.21x = 892,781.15 × 375,169.47
  4. Step 4: Simplify right side
    646,940.21x = 334,944,226,702.88
  5. Step 5: Solve for x
    x = 334,944,226,702.88/646,940.21
  6. Step 6: Final answer
    x = 517,735.98

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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.