Home / 613,028.96-919,085.30-422,946.93

Finding the Fourth Proportional to 613,028.96, 919,085.30 and 422,946.93

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Solution

The fourth proportional to 613,028.96, 919,085.30 and 422,946.93 is: 634,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,028.96 : 919,085.30 = 422,946.93 : x
  2. Step 2: Convert to fraction form
    613,028.96/919,085.30 = 422,946.93/x
  3. Step 3: Cross multiply
    613,028.96x = 919,085.30 × 422,946.93
  4. Step 4: Simplify right side
    613,028.96x = 388,724,303,928.39
  5. Step 5: Solve for x
    x = 388,724,303,928.39/613,028.96
  6. Step 6: Final answer
    x = 634,104.31

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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.