Home / 800,835.44-1,105,119.72-438,250.16

Finding the Fourth Proportional to 800,835.44, 1,105,119.72 and 438,250.16

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Solution

The fourth proportional to 800,835.44, 1,105,119.72 and 438,250.16 is: 604,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,835.44 : 1,105,119.72 = 438,250.16 : x
  2. Step 2: Convert to fraction form
    800,835.44/1,105,119.72 = 438,250.16/x
  3. Step 3: Cross multiply
    800,835.44x = 1,105,119.72 × 438,250.16
  4. Step 4: Simplify right side
    800,835.44x = 484,318,894,109.16
  5. Step 5: Solve for x
    x = 484,318,894,109.16/800,835.44
  6. Step 6: Final answer
    x = 604,767.06

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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.