Home / 864,464.79-1,296,865.26-331,946.67

Finding the Fourth Proportional to 864,464.79, 1,296,865.26 and 331,946.67

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Solution

The fourth proportional to 864,464.79, 1,296,865.26 and 331,946.67 is: 497,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,464.79 : 1,296,865.26 = 331,946.67 : x
  2. Step 2: Convert to fraction form
    864,464.79/1,296,865.26 = 331,946.67/x
  3. Step 3: Cross multiply
    864,464.79x = 1,296,865.26 × 331,946.67
  4. Step 4: Simplify right side
    864,464.79x = 430,490,104,495.68
  5. Step 5: Solve for x
    x = 430,490,104,495.68/864,464.79
  6. Step 6: Final answer
    x = 497,984.54

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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.