Home / 949,960.20-1,424,940.30-239,990.28

Finding the Fourth Proportional to 949,960.20, 1,424,940.30 and 239,990.28

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Solution

The fourth proportional to 949,960.20, 1,424,940.30 and 239,990.28 is: 359,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,960.20 : 1,424,940.30 = 239,990.28 : x
  2. Step 2: Convert to fraction form
    949,960.20/1,424,940.30 = 239,990.28/x
  3. Step 3: Cross multiply
    949,960.20x = 1,424,940.30 × 239,990.28
  4. Step 4: Simplify right side
    949,960.20x = 341,971,821,580.28
  5. Step 5: Solve for x
    x = 341,971,821,580.28/949,960.20
  6. Step 6: Final answer
    x = 359,985.42

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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.