Home / 646,558.41-892,278.28-360,078.49

Finding the Fourth Proportional to 646,558.41, 892,278.28 and 360,078.49

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Solution

The fourth proportional to 646,558.41, 892,278.28 and 360,078.49 is: 496,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,558.41 : 892,278.28 = 360,078.49 : x
  2. Step 2: Convert to fraction form
    646,558.41/892,278.28 = 360,078.49/x
  3. Step 3: Cross multiply
    646,558.41x = 892,278.28 × 360,078.49
  4. Step 4: Simplify right side
    646,558.41x = 321,290,213,921.81
  5. Step 5: Solve for x
    x = 321,290,213,921.81/646,558.41
  6. Step 6: Final answer
    x = 496,923.73

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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.