Home / 646,622.44-892,366.66-360,142.60

Finding the Fourth Proportional to 646,622.44, 892,366.66 and 360,142.60

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Solution

The fourth proportional to 646,622.44, 892,366.66 and 360,142.60 is: 497,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,622.44 : 892,366.66 = 360,142.60 : x
  2. Step 2: Convert to fraction form
    646,622.44/892,366.66 = 360,142.60/x
  3. Step 3: Cross multiply
    646,622.44x = 892,366.66 × 360,142.60
  4. Step 4: Simplify right side
    646,622.44x = 321,379,249,085.72
  5. Step 5: Solve for x
    x = 321,379,249,085.72/646,622.44
  6. Step 6: Final answer
    x = 497,012.21

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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.