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Finding the Fourth Proportional to 554,880.64, 765,729.84 and 300,226.24

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Solution

The fourth proportional to 554,880.64, 765,729.84 and 300,226.24 is: 414,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,880.64 : 765,729.84 = 300,226.24 : x
  2. Step 2: Convert to fraction form
    554,880.64/765,729.84 = 300,226.24/x
  3. Step 3: Cross multiply
    554,880.64x = 765,729.84 × 300,226.24
  4. Step 4: Simplify right side
    554,880.64x = 229,892,190,719.00
  5. Step 5: Solve for x
    x = 229,892,190,719.00/554,880.64
  6. Step 6: Final answer
    x = 414,309.27

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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.