Home / 878,100.69-1,317,593.90-346,003.59

Finding the Fourth Proportional to 878,100.69, 1,317,593.90 and 346,003.59

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Solution

The fourth proportional to 878,100.69, 1,317,593.90 and 346,003.59 is: 519,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,100.69 : 1,317,593.90 = 346,003.59 : x
  2. Step 2: Convert to fraction form
    878,100.69/1,317,593.90 = 346,003.59/x
  3. Step 3: Cross multiply
    878,100.69x = 1,317,593.90 × 346,003.59
  4. Step 4: Simplify right side
    878,100.69x = 455,892,219,562.10
  5. Step 5: Solve for x
    x = 455,892,219,562.10/878,100.69
  6. Step 6: Final answer
    x = 519,179.89

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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.