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Finding the Fourth Proportional to 886,797.08, 1,330,392.36 and 255,661.64

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Solution

The fourth proportional to 886,797.08, 1,330,392.36 and 255,661.64 is: 383,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,797.08 : 1,330,392.36 = 255,661.64 : x
  2. Step 2: Convert to fraction form
    886,797.08/1,330,392.36 = 255,661.64/x
  3. Step 3: Cross multiply
    886,797.08x = 1,330,392.36 × 255,661.64
  4. Step 4: Simplify right side
    886,797.08x = 340,130,292,601.07
  5. Step 5: Solve for x
    x = 340,130,292,601.07/886,797.08
  6. Step 6: Final answer
    x = 383,549.18

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Double scale
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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.