Home / 751,371.05-1,036,998.38-464,983.40

Finding the Fourth Proportional to 751,371.05, 1,036,998.38 and 464,983.40

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Solution

The fourth proportional to 751,371.05, 1,036,998.38 and 464,983.40 is: 641,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,371.05 : 1,036,998.38 = 464,983.40 : x
  2. Step 2: Convert to fraction form
    751,371.05/1,036,998.38 = 464,983.40/x
  3. Step 3: Cross multiply
    751,371.05x = 1,036,998.38 × 464,983.40
  4. Step 4: Simplify right side
    751,371.05x = 482,187,032,526.89
  5. Step 5: Solve for x
    x = 482,187,032,526.89/751,371.05
  6. Step 6: Final answer
    x = 641,742.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.