Home / 646,980.52-892,821.06-360,494.44

Finding the Fourth Proportional to 646,980.52, 892,821.06 and 360,494.44

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Solution

The fourth proportional to 646,980.52, 892,821.06 and 360,494.44 is: 497,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,980.52 : 892,821.06 = 360,494.44 : x
  2. Step 2: Convert to fraction form
    646,980.52/892,821.06 = 360,494.44/x
  3. Step 3: Cross multiply
    646,980.52x = 892,821.06 × 360,494.44
  4. Step 4: Simplify right side
    646,980.52x = 321,857,028,044.91
  5. Step 5: Solve for x
    x = 321,857,028,044.91/646,980.52
  6. Step 6: Final answer
    x = 497,475.61

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1.5x scale

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.