Home / 864,023.10-1,295,645.85-331,367.10

Finding the Fourth Proportional to 864,023.10, 1,295,645.85 and 331,367.10

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Solution

The fourth proportional to 864,023.10, 1,295,645.85 and 331,367.10 is: 496,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,023.10 : 1,295,645.85 = 331,367.10 : x
  2. Step 2: Convert to fraction form
    864,023.10/1,295,645.85 = 331,367.10/x
  3. Step 3: Cross multiply
    864,023.10x = 1,295,645.85 × 331,367.10
  4. Step 4: Simplify right side
    864,023.10x = 429,334,407,941.54
  5. Step 5: Solve for x
    x = 429,334,407,941.54/864,023.10
  6. Step 6: Final answer
    x = 496,901.54

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1.5x scale

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.