Home / 454,271.32-680,890.38-276,386.32

Finding the Fourth Proportional to 454,271.32, 680,890.38 and 276,386.32

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Solution

The fourth proportional to 454,271.32, 680,890.38 and 276,386.32 is: 414,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,271.32 : 680,890.38 = 276,386.32 : x
  2. Step 2: Convert to fraction form
    454,271.32/680,890.38 = 276,386.32/x
  3. Step 3: Cross multiply
    454,271.32x = 680,890.38 × 276,386.32
  4. Step 4: Simplify right side
    454,271.32x = 188,188,786,451.60
  5. Step 5: Solve for x
    x = 188,188,786,451.60/454,271.32
  6. Step 6: Final answer
    x = 414,265.17

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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.