Home / 908,128.30-1,362,143.04-276,992.50

Finding the Fourth Proportional to 908,128.30, 1,362,143.04 and 276,992.50

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Solution

The fourth proportional to 908,128.30, 1,362,143.04 and 276,992.50 is: 415,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,128.30 : 1,362,143.04 = 276,992.50 : x
  2. Step 2: Convert to fraction form
    908,128.30/1,362,143.04 = 276,992.50/x
  3. Step 3: Cross multiply
    908,128.30x = 1,362,143.04 × 276,992.50
  4. Step 4: Simplify right side
    908,128.30x = 377,303,406,007.20
  5. Step 5: Solve for x
    x = 377,303,406,007.20/908,128.30
  6. Step 6: Final answer
    x = 415,473.68

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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.