Home / 770,350.14-1,154,899.17-321,405.48

Finding the Fourth Proportional to 770,350.14, 1,154,899.17 and 321,405.48

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Solution

The fourth proportional to 770,350.14, 1,154,899.17 and 321,405.48 is: 481,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,350.14 : 1,154,899.17 = 321,405.48 : x
  2. Step 2: Convert to fraction form
    770,350.14/1,154,899.17 = 321,405.48/x
  3. Step 3: Cross multiply
    770,350.14x = 1,154,899.17 × 321,405.48
  4. Step 4: Simplify right side
    770,350.14x = 371,190,922,085.45
  5. Step 5: Solve for x
    x = 371,190,922,085.45/770,350.14
  6. Step 6: Final answer
    x = 481,847.02

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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.