Home / 959,786.57-1,439,942.86-419,944.98

Finding the Fourth Proportional to 959,786.57, 1,439,942.86 and 419,944.98

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Solution

The fourth proportional to 959,786.57, 1,439,942.86 and 419,944.98 is: 630,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,786.57 : 1,439,942.86 = 419,944.98 : x
  2. Step 2: Convert to fraction form
    959,786.57/1,439,942.86 = 419,944.98/x
  3. Step 3: Cross multiply
    959,786.57x = 1,439,942.86 × 419,944.98
  4. Step 4: Simplify right side
    959,786.57x = 604,696,778,599.82
  5. Step 5: Solve for x
    x = 604,696,778,599.82/959,786.57
  6. Step 6: Final answer
    x = 630,032.55

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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.