Home / 847,420.67-1,271,133.06-207,727.27

Finding the Fourth Proportional to 847,420.67, 1,271,133.06 and 207,727.27

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Solution

The fourth proportional to 847,420.67, 1,271,133.06 and 207,727.27 is: 311,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,420.67 : 1,271,133.06 = 207,727.27 : x
  2. Step 2: Convert to fraction form
    847,420.67/1,271,133.06 = 207,727.27/x
  3. Step 3: Cross multiply
    847,420.67x = 1,271,133.06 × 207,727.27
  4. Step 4: Simplify right side
    847,420.67x = 264,049,000,360.55
  5. Step 5: Solve for x
    x = 264,049,000,360.55/847,420.67
  6. Step 6: Final answer
    x = 311,591.41

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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.