Home / 908,829.08-1,362,826.26-309,546.42

Finding the Fourth Proportional to 908,829.08, 1,362,826.26 and 309,546.42

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Solution

The fourth proportional to 908,829.08, 1,362,826.26 and 309,546.42 is: 464,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,829.08 : 1,362,826.26 = 309,546.42 : x
  2. Step 2: Convert to fraction form
    908,829.08/1,362,826.26 = 309,546.42/x
  3. Step 3: Cross multiply
    908,829.08x = 1,362,826.26 × 309,546.42
  4. Step 4: Simplify right side
    908,829.08x = 421,857,989,864.99
  5. Step 5: Solve for x
    x = 421,857,989,864.99/908,829.08
  6. Step 6: Final answer
    x = 464,177.48

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1.5x scale

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.