Home / 847,420.55-1,271,132.87-207,727.14

Finding the Fourth Proportional to 847,420.55, 1,271,132.87 and 207,727.14

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Solution

The fourth proportional to 847,420.55, 1,271,132.87 and 207,727.14 is: 311,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,420.55 : 1,271,132.87 = 207,727.14 : x
  2. Step 2: Convert to fraction form
    847,420.55/1,271,132.87 = 207,727.14/x
  3. Step 3: Cross multiply
    847,420.55x = 1,271,132.87 × 207,727.14
  4. Step 4: Simplify right side
    847,420.55x = 264,048,794,606.46
  5. Step 5: Solve for x
    x = 264,048,794,606.46/847,420.55
  6. Step 6: Final answer
    x = 311,591.21

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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.