Home / 825,068.34-1,237,291.43-345,329.37

Finding the Fourth Proportional to 825,068.34, 1,237,291.43 and 345,329.37

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Solution

The fourth proportional to 825,068.34, 1,237,291.43 and 345,329.37 is: 517,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,068.34 : 1,237,291.43 = 345,329.37 : x
  2. Step 2: Convert to fraction form
    825,068.34/1,237,291.43 = 345,329.37/x
  3. Step 3: Cross multiply
    825,068.34x = 1,237,291.43 × 345,329.37
  4. Step 4: Simplify right side
    825,068.34x = 427,273,068,301.65
  5. Step 5: Solve for x
    x = 427,273,068,301.65/825,068.34
  6. Step 6: Final answer
    x = 517,863.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.