Home / 627,199.40-940,107.90-346,917.80

Finding the Fourth Proportional to 627,199.40, 940,107.90 and 346,917.80

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Solution

The fourth proportional to 627,199.40, 940,107.90 and 346,917.80 is: 519,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,199.40 : 940,107.90 = 346,917.80 : x
  2. Step 2: Convert to fraction form
    627,199.40/940,107.90 = 346,917.80/x
  3. Step 3: Cross multiply
    627,199.40x = 940,107.90 × 346,917.80
  4. Step 4: Simplify right side
    627,199.40x = 326,140,164,430.62
  5. Step 5: Solve for x
    x = 326,140,164,430.62/627,199.40
  6. Step 6: Final answer
    x = 519,994.38

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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.