Home / 990,530.75-1,485,799.77-242,576.75

Finding the Fourth Proportional to 990,530.75, 1,485,799.77 and 242,576.75

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Solution

The fourth proportional to 990,530.75, 1,485,799.77 and 242,576.75 is: 363,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,530.75 : 1,485,799.77 = 242,576.75 : x
  2. Step 2: Convert to fraction form
    990,530.75/1,485,799.77 = 242,576.75/x
  3. Step 3: Cross multiply
    990,530.75x = 1,485,799.77 × 242,576.75
  4. Step 4: Simplify right side
    990,530.75x = 360,420,479,357.35
  5. Step 5: Solve for x
    x = 360,420,479,357.35/990,530.75
  6. Step 6: Final answer
    x = 363,866.02

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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.