Home / 646,458.35-892,112.48-374,683.89

Finding the Fourth Proportional to 646,458.35, 892,112.48 and 374,683.89

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Solution

The fourth proportional to 646,458.35, 892,112.48 and 374,683.89 is: 517,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,458.35 : 892,112.48 = 374,683.89 : x
  2. Step 2: Convert to fraction form
    646,458.35/892,112.48 = 374,683.89/x
  3. Step 3: Cross multiply
    646,458.35x = 892,112.48 × 374,683.89
  4. Step 4: Simplify right side
    646,458.35x = 334,260,172,450.53
  5. Step 5: Solve for x
    x = 334,260,172,450.53/646,458.35
  6. Step 6: Final answer
    x = 517,063.74

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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.