Home / 825,093.86-1,138,609.02-457,568.86

Finding the Fourth Proportional to 825,093.86, 1,138,609.02 and 457,568.86

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Solution

The fourth proportional to 825,093.86, 1,138,609.02 and 457,568.86 is: 631,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,093.86 : 1,138,609.02 = 457,568.86 : x
  2. Step 2: Convert to fraction form
    825,093.86/1,138,609.02 = 457,568.86/x
  3. Step 3: Cross multiply
    825,093.86x = 1,138,609.02 × 457,568.86
  4. Step 4: Simplify right side
    825,093.86x = 520,992,031,267.12
  5. Step 5: Solve for x
    x = 520,992,031,267.12/825,093.86
  6. Step 6: Final answer
    x = 631,433.65

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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.