Home / 908,351.96-1,362,808.22-339,790.50

Finding the Fourth Proportional to 908,351.96, 1,362,808.22 and 339,790.50

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Solution

The fourth proportional to 908,351.96, 1,362,808.22 and 339,790.50 is: 509,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,351.96 : 1,362,808.22 = 339,790.50 : x
  2. Step 2: Convert to fraction form
    908,351.96/1,362,808.22 = 339,790.50/x
  3. Step 3: Cross multiply
    908,351.96x = 1,362,808.22 × 339,790.50
  4. Step 4: Simplify right side
    908,351.96x = 463,069,284,778.96
  5. Step 5: Solve for x
    x = 463,069,284,778.96/908,351.96
  6. Step 6: Final answer
    x = 509,790.60

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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.