Home / 741,021.76-1,111,944.48-361,946.80

Finding the Fourth Proportional to 741,021.76, 1,111,944.48 and 361,946.80

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Solution

The fourth proportional to 741,021.76, 1,111,944.48 and 361,946.80 is: 543,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,021.76 : 1,111,944.48 = 361,946.80 : x
  2. Step 2: Convert to fraction form
    741,021.76/1,111,944.48 = 361,946.80/x
  3. Step 3: Cross multiply
    741,021.76x = 1,111,944.48 × 361,946.80
  4. Step 4: Simplify right side
    741,021.76x = 402,464,746,313.66
  5. Step 5: Solve for x
    x = 402,464,746,313.66/741,021.76
  6. Step 6: Final answer
    x = 543,121.36

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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.