Home / 770,127.16-1,155,387.54-296,685.56

Finding the Fourth Proportional to 770,127.16, 1,155,387.54 and 296,685.56

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Solution

The fourth proportional to 770,127.16, 1,155,387.54 and 296,685.56 is: 445,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,127.16 : 1,155,387.54 = 296,685.56 : x
  2. Step 2: Convert to fraction form
    770,127.16/1,155,387.54 = 296,685.56/x
  3. Step 3: Cross multiply
    770,127.16x = 1,155,387.54 × 296,685.56
  4. Step 4: Simplify right side
    770,127.16x = 342,786,799,321.92
  5. Step 5: Solve for x
    x = 342,786,799,321.92/770,127.16
  6. Step 6: Final answer
    x = 445,104.16

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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.