Home / 867,121.20-1,300,908.60-334,659.60

Finding the Fourth Proportional to 867,121.20, 1,300,908.60 and 334,659.60

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Solution

The fourth proportional to 867,121.20, 1,300,908.60 and 334,659.60 is: 502,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,121.20 : 1,300,908.60 = 334,659.60 : x
  2. Step 2: Convert to fraction form
    867,121.20/1,300,908.60 = 334,659.60/x
  3. Step 3: Cross multiply
    867,121.20x = 1,300,908.60 × 334,659.60
  4. Step 4: Simplify right side
    867,121.20x = 435,361,551,712.56
  5. Step 5: Solve for x
    x = 435,361,551,712.56/867,121.20
  6. Step 6: Final answer
    x = 502,076.93

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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.