Home / 863,718.24-1,295,326.80-331,200.48

Finding the Fourth Proportional to 863,718.24, 1,295,326.80 and 331,200.48

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Solution

The fourth proportional to 863,718.24, 1,295,326.80 and 331,200.48 is: 496,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,718.24 : 1,295,326.80 = 331,200.48 : x
  2. Step 2: Convert to fraction form
    863,718.24/1,295,326.80 = 331,200.48/x
  3. Step 3: Cross multiply
    863,718.24x = 1,295,326.80 × 331,200.48
  4. Step 4: Simplify right side
    863,718.24x = 429,012,857,916.86
  5. Step 5: Solve for x
    x = 429,012,857,916.86/863,718.24
  6. Step 6: Final answer
    x = 496,704.64

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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.