Home / 862,899.20-1,294,118.40-263,859.20

Finding the Fourth Proportional to 862,899.20, 1,294,118.40 and 263,859.20

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Solution

The fourth proportional to 862,899.20, 1,294,118.40 and 263,859.20 is: 395,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,899.20 : 1,294,118.40 = 263,859.20 : x
  2. Step 2: Convert to fraction form
    862,899.20/1,294,118.40 = 263,859.20/x
  3. Step 3: Cross multiply
    862,899.20x = 1,294,118.40 × 263,859.20
  4. Step 4: Simplify right side
    862,899.20x = 341,465,045,729.28
  5. Step 5: Solve for x
    x = 341,465,045,729.28/862,899.20
  6. Step 6: Final answer
    x = 395,718.35

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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.