Home / 800,735.24-1,104,981.62-478,622.94

Finding the Fourth Proportional to 800,735.24, 1,104,981.62 and 478,622.94

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Solution

The fourth proportional to 800,735.24, 1,104,981.62 and 478,622.94 is: 660,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,735.24 : 1,104,981.62 = 478,622.94 : x
  2. Step 2: Convert to fraction form
    800,735.24/1,104,981.62 = 478,622.94/x
  3. Step 3: Cross multiply
    800,735.24x = 1,104,981.62 × 478,622.94
  4. Step 4: Simplify right side
    800,735.24x = 528,869,551,610.36
  5. Step 5: Solve for x
    x = 528,869,551,610.36/800,735.24
  6. Step 6: Final answer
    x = 660,479.93

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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.