Home / 908,422.20-1,362,633.30-859,433.40

Finding the Fourth Proportional to 908,422.20, 1,362,633.30 and 859,433.40

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Solution

The fourth proportional to 908,422.20, 1,362,633.30 and 859,433.40 is: 1,289,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,422.20 : 1,362,633.30 = 859,433.40 : x
  2. Step 2: Convert to fraction form
    908,422.20/1,362,633.30 = 859,433.40/x
  3. Step 3: Cross multiply
    908,422.20x = 1,362,633.30 × 859,433.40
  4. Step 4: Simplify right side
    908,422.20x = 1,171,092,569,972.22
  5. Step 5: Solve for x
    x = 1,171,092,569,972.22/908,422.20
  6. Step 6: Final answer
    x = 1,289,150.10

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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.