Home / 681,719.10-1,022,697.45-282,140.70

Finding the Fourth Proportional to 681,719.10, 1,022,697.45 and 282,140.70

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Solution

The fourth proportional to 681,719.10, 1,022,697.45 and 282,140.70 is: 423,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,719.10 : 1,022,697.45 = 282,140.70 : x
  2. Step 2: Convert to fraction form
    681,719.10/1,022,697.45 = 282,140.70/x
  3. Step 3: Cross multiply
    681,719.10x = 1,022,697.45 × 282,140.70
  4. Step 4: Simplify right side
    681,719.10x = 288,544,574,431.22
  5. Step 5: Solve for x
    x = 288,544,574,431.22/681,719.10
  6. Step 6: Final answer
    x = 423,260.22

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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.