Home / 685,893.72-1,030,417.38-483,954.60

Finding the Fourth Proportional to 685,893.72, 1,030,417.38 and 483,954.60

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Solution

The fourth proportional to 685,893.72, 1,030,417.38 and 483,954.60 is: 727,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,893.72 : 1,030,417.38 = 483,954.60 : x
  2. Step 2: Convert to fraction form
    685,893.72/1,030,417.38 = 483,954.60/x
  3. Step 3: Cross multiply
    685,893.72x = 1,030,417.38 × 483,954.60
  4. Step 4: Simplify right side
    685,893.72x = 498,675,230,970.95
  5. Step 5: Solve for x
    x = 498,675,230,970.95/685,893.72
  6. Step 6: Final answer
    x = 727,044.46

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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.