Home / 646,769.34-892,551.54-371,171.52

Finding the Fourth Proportional to 646,769.34, 892,551.54 and 371,171.52

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Solution

The fourth proportional to 646,769.34, 892,551.54 and 371,171.52 is: 512,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,769.34 : 892,551.54 = 371,171.52 : x
  2. Step 2: Convert to fraction form
    646,769.34/892,551.54 = 371,171.52/x
  3. Step 3: Cross multiply
    646,769.34x = 892,551.54 × 371,171.52
  4. Step 4: Simplify right side
    646,769.34x = 331,289,711,780.14
  5. Step 5: Solve for x
    x = 331,289,711,780.14/646,769.34
  6. Step 6: Final answer
    x = 512,222.35

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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.