Home / 908,350.82-1,362,480.93-339,690.12

Finding the Fourth Proportional to 908,350.82, 1,362,480.93 and 339,690.12

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Solution

The fourth proportional to 908,350.82, 1,362,480.93 and 339,690.12 is: 509,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,350.82 : 1,362,480.93 = 339,690.12 : x
  2. Step 2: Convert to fraction form
    908,350.82/1,362,480.93 = 339,690.12/x
  3. Step 3: Cross multiply
    908,350.82x = 1,362,480.93 × 339,690.12
  4. Step 4: Simplify right side
    908,350.82x = 462,821,305,500.11
  5. Step 5: Solve for x
    x = 462,821,305,500.11/908,350.82
  6. Step 6: Final answer
    x = 509,518.23

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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.