Home / 862,367.28-1,293,740.24-255,108.05

Finding the Fourth Proportional to 862,367.28, 1,293,740.24 and 255,108.05

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Solution

The fourth proportional to 862,367.28, 1,293,740.24 and 255,108.05 is: 382,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,367.28 : 1,293,740.24 = 255,108.05 : x
  2. Step 2: Convert to fraction form
    862,367.28/1,293,740.24 = 255,108.05/x
  3. Step 3: Cross multiply
    862,367.28x = 1,293,740.24 × 255,108.05
  4. Step 4: Simplify right side
    862,367.28x = 330,043,546,940.22
  5. Step 5: Solve for x
    x = 330,043,546,940.22/862,367.28
  6. Step 6: Final answer
    x = 382,718.08

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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.