Home / 646,942.09-892,783.74-375,171.35

Finding the Fourth Proportional to 646,942.09, 892,783.74 and 375,171.35

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Solution

The fourth proportional to 646,942.09, 892,783.74 and 375,171.35 is: 517,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,942.09 : 892,783.74 = 375,171.35 : x
  2. Step 2: Convert to fraction form
    646,942.09/892,783.74 = 375,171.35/x
  3. Step 3: Cross multiply
    646,942.09x = 892,783.74 × 375,171.35
  4. Step 4: Simplify right side
    646,942.09x = 334,946,876,529.93
  5. Step 5: Solve for x
    x = 334,946,876,529.93/646,942.09
  6. Step 6: Final answer
    x = 517,738.58

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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.