Home / 814,210.58-1,219,682.91-414,835.22

Finding the Fourth Proportional to 814,210.58, 1,219,682.91 and 414,835.22

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Solution

The fourth proportional to 814,210.58, 1,219,682.91 and 414,835.22 is: 621,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,210.58 : 1,219,682.91 = 414,835.22 : x
  2. Step 2: Convert to fraction form
    814,210.58/1,219,682.91 = 414,835.22/x
  3. Step 3: Cross multiply
    814,210.58x = 1,219,682.91 × 414,835.22
  4. Step 4: Simplify right side
    814,210.58x = 505,967,428,300.09
  5. Step 5: Solve for x
    x = 505,967,428,300.09/814,210.58
  6. Step 6: Final answer
    x = 621,420.85

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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.