Home / 490,011.40-734,844.30-223,899.40

Finding the Fourth Proportional to 490,011.40, 734,844.30 and 223,899.40

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Solution

The fourth proportional to 490,011.40, 734,844.30 and 223,899.40 is: 335,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,011.40 : 734,844.30 = 223,899.40 : x
  2. Step 2: Convert to fraction form
    490,011.40/734,844.30 = 223,899.40/x
  3. Step 3: Cross multiply
    490,011.40x = 734,844.30 × 223,899.40
  4. Step 4: Simplify right side
    490,011.40x = 164,531,197,863.42
  5. Step 5: Solve for x
    x = 164,531,197,863.42/490,011.40
  6. Step 6: Final answer
    x = 335,770.14

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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.