Home / 936,172.08-1,404,403.92-304,939.08

Finding the Fourth Proportional to 936,172.08, 1,404,403.92 and 304,939.08

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Solution

The fourth proportional to 936,172.08, 1,404,403.92 and 304,939.08 is: 457,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,172.08 : 1,404,403.92 = 304,939.08 : x
  2. Step 2: Convert to fraction form
    936,172.08/1,404,403.92 = 304,939.08/x
  3. Step 3: Cross multiply
    936,172.08x = 1,404,403.92 × 304,939.08
  4. Step 4: Simplify right side
    936,172.08x = 428,257,639,313.19
  5. Step 5: Solve for x
    x = 428,257,639,313.19/936,172.08
  6. Step 6: Final answer
    x = 457,456.11

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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.