Home / 448,579.76-619,022.70-255,012.84

Finding the Fourth Proportional to 448,579.76, 619,022.70 and 255,012.84

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Solution

The fourth proportional to 448,579.76, 619,022.70 and 255,012.84 is: 351,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,579.76 : 619,022.70 = 255,012.84 : x
  2. Step 2: Convert to fraction form
    448,579.76/619,022.70 = 255,012.84/x
  3. Step 3: Cross multiply
    448,579.76x = 619,022.70 × 255,012.84
  4. Step 4: Simplify right side
    448,579.76x = 157,858,736,751.47
  5. Step 5: Solve for x
    x = 157,858,736,751.47/448,579.76
  6. Step 6: Final answer
    x = 351,907.85

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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.