Home / 481,378.20-664,312.05-263,596.05

Finding the Fourth Proportional to 481,378.20, 664,312.05 and 263,596.05

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Solution

The fourth proportional to 481,378.20, 664,312.05 and 263,596.05 is: 363,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,378.20 : 664,312.05 = 263,596.05 : x
  2. Step 2: Convert to fraction form
    481,378.20/664,312.05 = 263,596.05/x
  3. Step 3: Cross multiply
    481,378.20x = 664,312.05 × 263,596.05
  4. Step 4: Simplify right side
    481,378.20x = 175,110,032,347.40
  5. Step 5: Solve for x
    x = 175,110,032,347.40/481,378.20
  6. Step 6: Final answer
    x = 363,768.10

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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.