Home / 770,527.70-1,155,795.15-271,891.70

Finding the Fourth Proportional to 770,527.70, 1,155,795.15 and 271,891.70

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Solution

The fourth proportional to 770,527.70, 1,155,795.15 and 271,891.70 is: 407,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,527.70 : 1,155,795.15 = 271,891.70 : x
  2. Step 2: Convert to fraction form
    770,527.70/1,155,795.15 = 271,891.70/x
  3. Step 3: Cross multiply
    770,527.70x = 1,155,795.15 × 271,891.70
  4. Step 4: Simplify right side
    770,527.70x = 314,251,108,185.26
  5. Step 5: Solve for x
    x = 314,251,108,185.26/770,527.70
  6. Step 6: Final answer
    x = 407,838.82

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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.