Home / 698,504.40-1,047,497.40-277,693.20

Finding the Fourth Proportional to 698,504.40, 1,047,497.40 and 277,693.20

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Solution

The fourth proportional to 698,504.40, 1,047,497.40 and 277,693.20 is: 416,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,504.40 : 1,047,497.40 = 277,693.20 : x
  2. Step 2: Convert to fraction form
    698,504.40/1,047,497.40 = 277,693.20/x
  3. Step 3: Cross multiply
    698,504.40x = 1,047,497.40 × 277,693.20
  4. Step 4: Simplify right side
    698,504.40x = 290,882,904,997.68
  5. Step 5: Solve for x
    x = 290,882,904,997.68/698,504.40
  6. Step 6: Final answer
    x = 416,436.75

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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.