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Finding the Fourth Proportional to 800,344.80, 1,104,571.08 and 460,879.20

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Solution

The fourth proportional to 800,344.80, 1,104,571.08 and 460,879.20 is: 636,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,344.80 : 1,104,571.08 = 460,879.20 : x
  2. Step 2: Convert to fraction form
    800,344.80/1,104,571.08 = 460,879.20/x
  3. Step 3: Cross multiply
    800,344.80x = 1,104,571.08 × 460,879.20
  4. Step 4: Simplify right side
    800,344.80x = 509,073,835,693.54
  5. Step 5: Solve for x
    x = 509,073,835,693.54/800,344.80
  6. Step 6: Final answer
    x = 636,068.15

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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.