Home / 899,023.58-1,349,067.39-330,803.69

Finding the Fourth Proportional to 899,023.58, 1,349,067.39 and 330,803.69

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Solution

The fourth proportional to 899,023.58, 1,349,067.39 and 330,803.69 is: 496,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,023.58 : 1,349,067.39 = 330,803.69 : x
  2. Step 2: Convert to fraction form
    899,023.58/1,349,067.39 = 330,803.69/x
  3. Step 3: Cross multiply
    899,023.58x = 1,349,067.39 × 330,803.69
  4. Step 4: Simplify right side
    899,023.58x = 446,276,470,670.67
  5. Step 5: Solve for x
    x = 446,276,470,670.67/899,023.58
  6. Step 6: Final answer
    x = 496,401.30

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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.