Home / 863,979.22-1,295,920.35-264,938.74

Finding the Fourth Proportional to 863,979.22, 1,295,920.35 and 264,938.74

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Solution

The fourth proportional to 863,979.22, 1,295,920.35 and 264,938.74 is: 397,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,979.22 : 1,295,920.35 = 264,938.74 : x
  2. Step 2: Convert to fraction form
    863,979.22/1,295,920.35 = 264,938.74/x
  3. Step 3: Cross multiply
    863,979.22x = 1,295,920.35 × 264,938.74
  4. Step 4: Simplify right side
    863,979.22x = 343,339,504,669.36
  5. Step 5: Solve for x
    x = 343,339,504,669.36/863,979.22
  6. Step 6: Final answer
    x = 397,393.24

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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.