Home / 874,451.84-1,206,829.60-511,853.72

Finding the Fourth Proportional to 874,451.84, 1,206,829.60 and 511,853.72

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Solution

The fourth proportional to 874,451.84, 1,206,829.60 and 511,853.72 is: 706,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,451.84 : 1,206,829.60 = 511,853.72 : x
  2. Step 2: Convert to fraction form
    874,451.84/1,206,829.60 = 511,853.72/x
  3. Step 3: Cross multiply
    874,451.84x = 1,206,829.60 × 511,853.72
  4. Step 4: Simplify right side
    874,451.84x = 617,720,212,852.33
  5. Step 5: Solve for x
    x = 617,720,212,852.33/874,451.84
  6. Step 6: Final answer
    x = 706,408.50

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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.