Home / 727,319.20-1,090,460.40-277,866.40

Finding the Fourth Proportional to 727,319.20, 1,090,460.40 and 277,866.40

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Solution

The fourth proportional to 727,319.20, 1,090,460.40 and 277,866.40 is: 416,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,319.20 : 1,090,460.40 = 277,866.40 : x
  2. Step 2: Convert to fraction form
    727,319.20/1,090,460.40 = 277,866.40/x
  3. Step 3: Cross multiply
    727,319.20x = 1,090,460.40 × 277,866.40
  4. Step 4: Simplify right side
    727,319.20x = 303,002,305,690.56
  5. Step 5: Solve for x
    x = 303,002,305,690.56/727,319.20
  6. Step 6: Final answer
    x = 416,601.55

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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.