Home / 741,234.20-1,022,902.71-401,702.45

Finding the Fourth Proportional to 741,234.20, 1,022,902.71 and 401,702.45

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Solution

The fourth proportional to 741,234.20, 1,022,902.71 and 401,702.45 is: 554,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,234.20 : 1,022,902.71 = 401,702.45 : x
  2. Step 2: Convert to fraction form
    741,234.20/1,022,902.71 = 401,702.45/x
  3. Step 3: Cross multiply
    741,234.20x = 1,022,902.71 × 401,702.45
  4. Step 4: Simplify right side
    741,234.20x = 410,902,524,718.64
  5. Step 5: Solve for x
    x = 410,902,524,718.64/741,234.20
  6. Step 6: Final answer
    x = 554,349.12

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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.