Home / 646,563.40-892,285.17-360,083.50

Finding the Fourth Proportional to 646,563.40, 892,285.17 and 360,083.50

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Solution

The fourth proportional to 646,563.40, 892,285.17 and 360,083.50 is: 496,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,563.40 : 892,285.17 = 360,083.50 : x
  2. Step 2: Convert to fraction form
    646,563.40/892,285.17 = 360,083.50/x
  3. Step 3: Cross multiply
    646,563.40x = 892,285.17 × 360,083.50
  4. Step 4: Simplify right side
    646,563.40x = 321,297,167,011.70
  5. Step 5: Solve for x
    x = 321,297,167,011.70/646,563.40
  6. Step 6: Final answer
    x = 496,930.64

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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.