Home / 869,126.20-1,303,640.70-270,082.60

Finding the Fourth Proportional to 869,126.20, 1,303,640.70 and 270,082.60

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Solution

The fourth proportional to 869,126.20, 1,303,640.70 and 270,082.60 is: 405,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,126.20 : 1,303,640.70 = 270,082.60 : x
  2. Step 2: Convert to fraction form
    869,126.20/1,303,640.70 = 270,082.60/x
  3. Step 3: Cross multiply
    869,126.20x = 1,303,640.70 × 270,082.60
  4. Step 4: Simplify right side
    869,126.20x = 352,090,669,721.82
  5. Step 5: Solve for x
    x = 352,090,669,721.82/869,126.20
  6. Step 6: Final answer
    x = 405,108.80

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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.