Home / 490,021.59-734,048.23-223,415.35

Finding the Fourth Proportional to 490,021.59, 734,048.23 and 223,415.35

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Solution

The fourth proportional to 490,021.59, 734,048.23 and 223,415.35 is: 334,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,021.59 : 734,048.23 = 223,415.35 : x
  2. Step 2: Convert to fraction form
    490,021.59/734,048.23 = 223,415.35/x
  3. Step 3: Cross multiply
    490,021.59x = 734,048.23 × 223,415.35
  4. Step 4: Simplify right side
    490,021.59x = 163,997,642,222.33
  5. Step 5: Solve for x
    x = 163,997,642,222.33/490,021.59
  6. Step 6: Final answer
    x = 334,674.32

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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.