Home / 646,563.33-892,257.06-374,788.71

Finding the Fourth Proportional to 646,563.33, 892,257.06 and 374,788.71

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Solution

The fourth proportional to 646,563.33, 892,257.06 and 374,788.71 is: 517,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,563.33 : 892,257.06 = 374,788.71 : x
  2. Step 2: Convert to fraction form
    646,563.33/892,257.06 = 374,788.71/x
  3. Step 3: Cross multiply
    646,563.33x = 892,257.06 × 374,788.71
  4. Step 4: Simplify right side
    646,563.33x = 334,407,872,505.79
  5. Step 5: Solve for x
    x = 334,407,872,505.79/646,563.33
  6. Step 6: Final answer
    x = 517,208.23

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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.