Home / 646,570.63-892,295.16-360,090.72

Finding the Fourth Proportional to 646,570.63, 892,295.16 and 360,090.72

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Solution

The fourth proportional to 646,570.63, 892,295.16 and 360,090.72 is: 496,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,570.63 : 892,295.16 = 360,090.72 : x
  2. Step 2: Convert to fraction form
    646,570.63/892,295.16 = 360,090.72/x
  3. Step 3: Cross multiply
    646,570.63x = 892,295.16 × 360,090.72
  4. Step 4: Simplify right side
    646,570.63x = 321,307,205,514.16
  5. Step 5: Solve for x
    x = 321,307,205,514.16/646,570.63
  6. Step 6: Final answer
    x = 496,940.61

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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.