Home / 741,040.90-1,022,640.12-401,509.15

Finding the Fourth Proportional to 741,040.90, 1,022,640.12 and 401,509.15

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Solution

The fourth proportional to 741,040.90, 1,022,640.12 and 401,509.15 is: 554,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,040.90 : 1,022,640.12 = 401,509.15 : x
  2. Step 2: Convert to fraction form
    741,040.90/1,022,640.12 = 401,509.15/x
  3. Step 3: Cross multiply
    741,040.90x = 1,022,640.12 × 401,509.15
  4. Step 4: Simplify right side
    741,040.90x = 410,599,362,780.50
  5. Step 5: Solve for x
    x = 410,599,362,780.50/741,040.90
  6. Step 6: Final answer
    x = 554,084.62

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Double scale
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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.