Home / 990,883.77-1,485,784.75-298,349.71

Finding the Fourth Proportional to 990,883.77, 1,485,784.75 and 298,349.71

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Solution

The fourth proportional to 990,883.77, 1,485,784.75 and 298,349.71 is: 447,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,883.77 : 1,485,784.75 = 298,349.71 : x
  2. Step 2: Convert to fraction form
    990,883.77/1,485,784.75 = 298,349.71/x
  3. Step 3: Cross multiply
    990,883.77x = 1,485,784.75 × 298,349.71
  4. Step 4: Simplify right side
    990,883.77x = 443,283,454,300.94
  5. Step 5: Solve for x
    x = 443,283,454,300.94/990,883.77
  6. Step 6: Final answer
    x = 447,361.71

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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.