Home / 800,880.22-1,105,105.62-478,522.18

Finding the Fourth Proportional to 800,880.22, 1,105,105.62 and 478,522.18

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Solution

The fourth proportional to 800,880.22, 1,105,105.62 and 478,522.18 is: 660,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,880.22 : 1,105,105.62 = 478,522.18 : x
  2. Step 2: Convert to fraction form
    800,880.22/1,105,105.62 = 478,522.18/x
  3. Step 3: Cross multiply
    800,880.22x = 1,105,105.62 × 478,522.18
  4. Step 4: Simplify right side
    800,880.22x = 528,817,550,412.65
  5. Step 5: Solve for x
    x = 528,817,550,412.65/800,880.22
  6. Step 6: Final answer
    x = 660,295.43

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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.