Home / 850,471.03-1,275,674.64-210,776.87

Finding the Fourth Proportional to 850,471.03, 1,275,674.64 and 210,776.87

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Solution

The fourth proportional to 850,471.03, 1,275,674.64 and 210,776.87 is: 316,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,471.03 : 1,275,674.64 = 210,776.87 : x
  2. Step 2: Convert to fraction form
    850,471.03/1,275,674.64 = 210,776.87/x
  3. Step 3: Cross multiply
    850,471.03x = 1,275,674.64 × 210,776.87
  4. Step 4: Simplify right side
    850,471.03x = 268,882,707,757.58
  5. Step 5: Solve for x
    x = 268,882,707,757.58/850,471.03
  6. Step 6: Final answer
    x = 316,157.40

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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.