Home / 847,713.10-1,271,518.11-300,632.56

Finding the Fourth Proportional to 847,713.10, 1,271,518.11 and 300,632.56

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Solution

The fourth proportional to 847,713.10, 1,271,518.11 and 300,632.56 is: 450,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,713.10 : 1,271,518.11 = 300,632.56 : x
  2. Step 2: Convert to fraction form
    847,713.10/1,271,518.11 = 300,632.56/x
  3. Step 3: Cross multiply
    847,713.10x = 1,271,518.11 × 300,632.56
  4. Step 4: Simplify right side
    847,713.10x = 382,259,743,744.08
  5. Step 5: Solve for x
    x = 382,259,743,744.08/847,713.10
  6. Step 6: Final answer
    x = 450,930.56

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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.