Home / 990,318.25-1,485,578.06-341,810.04

Finding the Fourth Proportional to 990,318.25, 1,485,578.06 and 341,810.04

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Solution

The fourth proportional to 990,318.25, 1,485,578.06 and 341,810.04 is: 512,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,318.25 : 1,485,578.06 = 341,810.04 : x
  2. Step 2: Convert to fraction form
    990,318.25/1,485,578.06 = 341,810.04/x
  3. Step 3: Cross multiply
    990,318.25x = 1,485,578.06 × 341,810.04
  4. Step 4: Simplify right side
    990,318.25x = 507,785,490,688.73
  5. Step 5: Solve for x
    x = 507,785,490,688.73/990,318.25
  6. Step 6: Final answer
    x = 512,749.81

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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.