Home / 908,437.27-1,362,866.73-309,403.61

Finding the Fourth Proportional to 908,437.27, 1,362,866.73 and 309,403.61

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Solution

The fourth proportional to 908,437.27, 1,362,866.73 and 309,403.61 is: 464,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,437.27 : 1,362,866.73 = 309,403.61 : x
  2. Step 2: Convert to fraction form
    908,437.27/1,362,866.73 = 309,403.61/x
  3. Step 3: Cross multiply
    908,437.27x = 1,362,866.73 × 309,403.61
  4. Step 4: Simplify right side
    908,437.27x = 421,675,891,013.17
  5. Step 5: Solve for x
    x = 421,675,891,013.17/908,437.27
  6. Step 6: Final answer
    x = 464,177.23

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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.