Home / 850,471.02-1,275,674.64-210,776.88

Finding the Fourth Proportional to 850,471.02, 1,275,674.64 and 210,776.88

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Solution

The fourth proportional to 850,471.02, 1,275,674.64 and 210,776.88 is: 316,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,471.02 : 1,275,674.64 = 210,776.88 : x
  2. Step 2: Convert to fraction form
    850,471.02/1,275,674.64 = 210,776.88/x
  3. Step 3: Cross multiply
    850,471.02x = 1,275,674.64 × 210,776.88
  4. Step 4: Simplify right side
    850,471.02x = 268,882,720,514.32
  5. Step 5: Solve for x
    x = 268,882,720,514.32/850,471.02
  6. Step 6: Final answer
    x = 316,157.42

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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.