Home / 646,621.44-892,365.28-360,141.60

Finding the Fourth Proportional to 646,621.44, 892,365.28 and 360,141.60

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Solution

The fourth proportional to 646,621.44, 892,365.28 and 360,141.60 is: 497,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,621.44 : 892,365.28 = 360,141.60 : x
  2. Step 2: Convert to fraction form
    646,621.44/892,365.28 = 360,141.60/x
  3. Step 3: Cross multiply
    646,621.44x = 892,365.28 × 360,141.60
  4. Step 4: Simplify right side
    646,621.44x = 321,377,859,723.65
  5. Step 5: Solve for x
    x = 321,377,859,723.65/646,621.44
  6. Step 6: Final answer
    x = 497,010.83

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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.