Home / 821,575.08-1,133,566.38-481,977.72

Finding the Fourth Proportional to 821,575.08, 1,133,566.38 and 481,977.72

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Solution

The fourth proportional to 821,575.08, 1,133,566.38 and 481,977.72 is: 665,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,575.08 : 1,133,566.38 = 481,977.72 : x
  2. Step 2: Convert to fraction form
    821,575.08/1,133,566.38 = 481,977.72/x
  3. Step 3: Cross multiply
    821,575.08x = 1,133,566.38 × 481,977.72
  4. Step 4: Simplify right side
    821,575.08x = 546,353,739,301.05
  5. Step 5: Solve for x
    x = 546,353,739,301.05/821,575.08
  6. Step 6: Final answer
    x = 665,007.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.