Home / 646,564.33-892,258.44-374,789.71

Finding the Fourth Proportional to 646,564.33, 892,258.44 and 374,789.71

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Solution

The fourth proportional to 646,564.33, 892,258.44 and 374,789.71 is: 517,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,564.33 : 892,258.44 = 374,789.71 : x
  2. Step 2: Convert to fraction form
    646,564.33/892,258.44 = 374,789.71/x
  3. Step 3: Cross multiply
    646,564.33x = 892,258.44 × 374,789.71
  4. Step 4: Simplify right side
    646,564.33x = 334,409,281,972.65
  5. Step 5: Solve for x
    x = 334,409,281,972.65/646,564.33
  6. Step 6: Final answer
    x = 517,209.61

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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.