Home / 402,421.23-603,165.29-379,093.23

Finding the Fourth Proportional to 402,421.23, 603,165.29 and 379,093.23

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Solution

The fourth proportional to 402,421.23, 603,165.29 and 379,093.23 is: 568,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,421.23 : 603,165.29 = 379,093.23 : x
  2. Step 2: Convert to fraction form
    402,421.23/603,165.29 = 379,093.23/x
  3. Step 3: Cross multiply
    402,421.23x = 603,165.29 × 379,093.23
  4. Step 4: Simplify right side
    402,421.23x = 228,655,876,114.52
  5. Step 5: Solve for x
    x = 228,655,876,114.52/402,421.23
  6. Step 6: Final answer
    x = 568,200.33

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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.