Home / 990,884.02-1,485,785.13-298,349.96

Finding the Fourth Proportional to 990,884.02, 1,485,785.13 and 298,349.96

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Solution

The fourth proportional to 990,884.02, 1,485,785.13 and 298,349.96 is: 447,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,884.02 : 1,485,785.13 = 298,349.96 : x
  2. Step 2: Convert to fraction form
    990,884.02/1,485,785.13 = 298,349.96/x
  3. Step 3: Cross multiply
    990,884.02x = 1,485,785.13 × 298,349.96
  4. Step 4: Simplify right side
    990,884.02x = 443,283,936,326.81
  5. Step 5: Solve for x
    x = 443,283,936,326.81/990,884.02
  6. Step 6: Final answer
    x = 447,362.08

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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.