Home / 850,790.84-1,174,019.07-488,206.89

Finding the Fourth Proportional to 850,790.84, 1,174,019.07 and 488,206.89

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Solution

The fourth proportional to 850,790.84, 1,174,019.07 and 488,206.89 is: 673,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,790.84 : 1,174,019.07 = 488,206.89 : x
  2. Step 2: Convert to fraction form
    850,790.84/1,174,019.07 = 488,206.89/x
  3. Step 3: Cross multiply
    850,790.84x = 1,174,019.07 × 488,206.89
  4. Step 4: Simplify right side
    850,790.84x = 573,164,198,965.39
  5. Step 5: Solve for x
    x = 573,164,198,965.39/850,790.84
  6. Step 6: Final answer
    x = 673,684.03

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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.