Home / 478,972.44-660,986.46-264,120.21

Finding the Fourth Proportional to 478,972.44, 660,986.46 and 264,120.21

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Solution

The fourth proportional to 478,972.44, 660,986.46 and 264,120.21 is: 364,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,972.44 : 660,986.46 = 264,120.21 : x
  2. Step 2: Convert to fraction form
    478,972.44/660,986.46 = 264,120.21/x
  3. Step 3: Cross multiply
    478,972.44x = 660,986.46 × 264,120.21
  4. Step 4: Simplify right side
    478,972.44x = 174,579,882,622.36
  5. Step 5: Solve for x
    x = 174,579,882,622.36/478,972.44
  6. Step 6: Final answer
    x = 364,488.37

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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.