Home / 698,161.60-1,047,760.80-277,739.20

Finding the Fourth Proportional to 698,161.60, 1,047,760.80 and 277,739.20

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Solution

The fourth proportional to 698,161.60, 1,047,760.80 and 277,739.20 is: 416,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,161.60 : 1,047,760.80 = 277,739.20 : x
  2. Step 2: Convert to fraction form
    698,161.60/1,047,760.80 = 277,739.20/x
  3. Step 3: Cross multiply
    698,161.60x = 1,047,760.80 × 277,739.20
  4. Step 4: Simplify right side
    698,161.60x = 291,004,246,383.36
  5. Step 5: Solve for x
    x = 291,004,246,383.36/698,161.60
  6. Step 6: Final answer
    x = 416,815.03

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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.