Home / 646,942.06-892,783.70-375,171.31

Finding the Fourth Proportional to 646,942.06, 892,783.70 and 375,171.31

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Solution

The fourth proportional to 646,942.06, 892,783.70 and 375,171.31 is: 517,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,942.06 : 892,783.70 = 375,171.31 : x
  2. Step 2: Convert to fraction form
    646,942.06/892,783.70 = 375,171.31/x
  3. Step 3: Cross multiply
    646,942.06x = 892,783.70 × 375,171.31
  4. Step 4: Simplify right side
    646,942.06x = 334,946,828,399.79
  5. Step 5: Solve for x
    x = 334,946,828,399.79/646,942.06
  6. Step 6: Final answer
    x = 517,738.53

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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.