Home / 864,500.24-1,296,812.63-332,021.27

Finding the Fourth Proportional to 864,500.24, 1,296,812.63 and 332,021.27

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Solution

The fourth proportional to 864,500.24, 1,296,812.63 and 332,021.27 is: 498,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,500.24 : 1,296,812.63 = 332,021.27 : x
  2. Step 2: Convert to fraction form
    864,500.24/1,296,812.63 = 332,021.27/x
  3. Step 3: Cross multiply
    864,500.24x = 1,296,812.63 × 332,021.27
  4. Step 4: Simplify right side
    864,500.24x = 430,569,376,364.64
  5. Step 5: Solve for x
    x = 430,569,376,364.64/864,500.24
  6. Step 6: Final answer
    x = 498,055.82

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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.