Home / 908,145.60-1,362,362.40-309,163.20

Finding the Fourth Proportional to 908,145.60, 1,362,362.40 and 309,163.20

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Solution

The fourth proportional to 908,145.60, 1,362,362.40 and 309,163.20 is: 463,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,145.60 : 1,362,362.40 = 309,163.20 : x
  2. Step 2: Convert to fraction form
    908,145.60/1,362,362.40 = 309,163.20/x
  3. Step 3: Cross multiply
    908,145.60x = 1,362,362.40 × 309,163.20
  4. Step 4: Simplify right side
    908,145.60x = 421,192,319,143.68
  5. Step 5: Solve for x
    x = 421,192,319,143.68/908,145.60
  6. Step 6: Final answer
    x = 463,793.82

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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.