Home / 770,527.20-1,155,794.40-271,891.20

Finding the Fourth Proportional to 770,527.20, 1,155,794.40 and 271,891.20

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Solution

The fourth proportional to 770,527.20, 1,155,794.40 and 271,891.20 is: 407,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,527.20 : 1,155,794.40 = 271,891.20 : x
  2. Step 2: Convert to fraction form
    770,527.20/1,155,794.40 = 271,891.20/x
  3. Step 3: Cross multiply
    770,527.20x = 1,155,794.40 × 271,891.20
  4. Step 4: Simplify right side
    770,527.20x = 314,250,326,369.28
  5. Step 5: Solve for x
    x = 314,250,326,369.28/770,527.20
  6. Step 6: Final answer
    x = 407,838.07

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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.