Home / 954,910.80-1,432,366.20-289,976.40

Finding the Fourth Proportional to 954,910.80, 1,432,366.20 and 289,976.40

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Solution

The fourth proportional to 954,910.80, 1,432,366.20 and 289,976.40 is: 434,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,910.80 : 1,432,366.20 = 289,976.40 : x
  2. Step 2: Convert to fraction form
    954,910.80/1,432,366.20 = 289,976.40/x
  3. Step 3: Cross multiply
    954,910.80x = 1,432,366.20 × 289,976.40
  4. Step 4: Simplify right side
    954,910.80x = 415,352,394,157.68
  5. Step 5: Solve for x
    x = 415,352,394,157.68/954,910.80
  6. Step 6: Final answer
    x = 434,964.60

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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.