Home / 685,562.04-946,051.20-379,620.36

Finding the Fourth Proportional to 685,562.04, 946,051.20 and 379,620.36

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Solution

The fourth proportional to 685,562.04, 946,051.20 and 379,620.36 is: 523,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,562.04 : 946,051.20 = 379,620.36 : x
  2. Step 2: Convert to fraction form
    685,562.04/946,051.20 = 379,620.36/x
  3. Step 3: Cross multiply
    685,562.04x = 946,051.20 × 379,620.36
  4. Step 4: Simplify right side
    685,562.04x = 359,140,297,122.43
  5. Step 5: Solve for x
    x = 359,140,297,122.43/685,562.04
  6. Step 6: Final answer
    x = 523,862.58

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1.5x scale

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.