Home / 862,703.61-1,294,055.43-263,666.49

Finding the Fourth Proportional to 862,703.61, 1,294,055.43 and 263,666.49

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Solution

The fourth proportional to 862,703.61, 1,294,055.43 and 263,666.49 is: 395,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,703.61 : 1,294,055.43 = 263,666.49 : x
  2. Step 2: Convert to fraction form
    862,703.61/1,294,055.43 = 263,666.49/x
  3. Step 3: Cross multiply
    862,703.61x = 1,294,055.43 × 263,666.49
  4. Step 4: Simplify right side
    862,703.61x = 341,199,053,093.54
  5. Step 5: Solve for x
    x = 341,199,053,093.54/862,703.61
  6. Step 6: Final answer
    x = 395,499.74

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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.