Home / 646,942.46-892,784.26-375,171.72

Finding the Fourth Proportional to 646,942.46, 892,784.26 and 375,171.72

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Solution

The fourth proportional to 646,942.46, 892,784.26 and 375,171.72 is: 517,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,942.46 : 892,784.26 = 375,171.72 : x
  2. Step 2: Convert to fraction form
    646,942.46/892,784.26 = 375,171.72/x
  3. Step 3: Cross multiply
    646,942.46x = 892,784.26 × 375,171.72
  4. Step 4: Simplify right side
    646,942.46x = 334,947,401,423.81
  5. Step 5: Solve for x
    x = 334,947,401,423.81/646,942.46
  6. Step 6: Final answer
    x = 517,739.09

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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.