Home / 843,676.20-1,164,093.12-499,620.24

Finding the Fourth Proportional to 843,676.20, 1,164,093.12 and 499,620.24

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Solution

The fourth proportional to 843,676.20, 1,164,093.12 and 499,620.24 is: 689,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,676.20 : 1,164,093.12 = 499,620.24 : x
  2. Step 2: Convert to fraction form
    843,676.20/1,164,093.12 = 499,620.24/x
  3. Step 3: Cross multiply
    843,676.20x = 1,164,093.12 × 499,620.24
  4. Step 4: Simplify right side
    843,676.20x = 581,604,483,996.75
  5. Step 5: Solve for x
    x = 581,604,483,996.75/843,676.20
  6. Step 6: Final answer
    x = 689,369.31

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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.