Home / 589,271.20-883,906.80-215,245.60

Finding the Fourth Proportional to 589,271.20, 883,906.80 and 215,245.60

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Solution

The fourth proportional to 589,271.20, 883,906.80 and 215,245.60 is: 322,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,271.20 : 883,906.80 = 215,245.60 : x
  2. Step 2: Convert to fraction form
    589,271.20/883,906.80 = 215,245.60/x
  3. Step 3: Cross multiply
    589,271.20x = 883,906.80 × 215,245.60
  4. Step 4: Simplify right side
    589,271.20x = 190,257,049,510.08
  5. Step 5: Solve for x
    x = 190,257,049,510.08/589,271.20
  6. Step 6: Final answer
    x = 322,868.40

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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.