Home / 897,340.78-1,345,720.03-298,141.05

Finding the Fourth Proportional to 897,340.78, 1,345,720.03 and 298,141.05

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Solution

The fourth proportional to 897,340.78, 1,345,720.03 and 298,141.05 is: 447,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,340.78 : 1,345,720.03 = 298,141.05 : x
  2. Step 2: Convert to fraction form
    897,340.78/1,345,720.03 = 298,141.05/x
  3. Step 3: Cross multiply
    897,340.78x = 1,345,720.03 × 298,141.05
  4. Step 4: Simplify right side
    897,340.78x = 401,214,387,051.33
  5. Step 5: Solve for x
    x = 401,214,387,051.33/897,340.78
  6. Step 6: Final answer
    x = 447,114.85

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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.