Home / 741,048.32-1,022,647.35-401,516.57

Finding the Fourth Proportional to 741,048.32, 1,022,647.35 and 401,516.57

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Solution

The fourth proportional to 741,048.32, 1,022,647.35 and 401,516.57 is: 554,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,048.32 : 1,022,647.35 = 401,516.57 : x
  2. Step 2: Convert to fraction form
    741,048.32/1,022,647.35 = 401,516.57/x
  3. Step 3: Cross multiply
    741,048.32x = 1,022,647.35 × 401,516.57
  4. Step 4: Simplify right side
    741,048.32x = 410,609,851,178.35
  5. Step 5: Solve for x
    x = 410,609,851,178.35/741,048.32
  6. Step 6: Final answer
    x = 554,093.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.