Home / 862,955.74-1,294,484.64-263,958.31

Finding the Fourth Proportional to 862,955.74, 1,294,484.64 and 263,958.31

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Solution

The fourth proportional to 862,955.74, 1,294,484.64 and 263,958.31 is: 395,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,955.74 : 1,294,484.64 = 263,958.31 : x
  2. Step 2: Convert to fraction form
    862,955.74/1,294,484.64 = 263,958.31/x
  3. Step 3: Cross multiply
    862,955.74x = 1,294,484.64 × 263,958.31
  4. Step 4: Simplify right side
    862,955.74x = 341,689,980,008.39
  5. Step 5: Solve for x
    x = 341,689,980,008.39/862,955.74
  6. Step 6: Final answer
    x = 395,953.08

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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.