Home / 863,445.15-1,295,170.83-264,403.89

Finding the Fourth Proportional to 863,445.15, 1,295,170.83 and 264,403.89

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Solution

The fourth proportional to 863,445.15, 1,295,170.83 and 264,403.89 is: 396,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,445.15 : 1,295,170.83 = 264,403.89 : x
  2. Step 2: Convert to fraction form
    863,445.15/1,295,170.83 = 264,403.89/x
  3. Step 3: Cross multiply
    863,445.15x = 1,295,170.83 × 264,403.89
  4. Step 4: Simplify right side
    863,445.15x = 342,448,205,666.53
  5. Step 5: Solve for x
    x = 342,448,205,666.53/863,445.15
  6. Step 6: Final answer
    x = 396,606.79

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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.