Home / 741,988.86-1,112,815.06-376,880.34

Finding the Fourth Proportional to 741,988.86, 1,112,815.06 and 376,880.34

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Solution

The fourth proportional to 741,988.86, 1,112,815.06 and 376,880.34 is: 565,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,988.86 : 1,112,815.06 = 376,880.34 : x
  2. Step 2: Convert to fraction form
    741,988.86/1,112,815.06 = 376,880.34/x
  3. Step 3: Cross multiply
    741,988.86x = 1,112,815.06 × 376,880.34
  4. Step 4: Simplify right side
    741,988.86x = 419,398,121,400.78
  5. Step 5: Solve for x
    x = 419,398,121,400.78/741,988.86
  6. Step 6: Final answer
    x = 565,235.07

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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.