Home / 685,542.02-946,041.39-395,046.86

Finding the Fourth Proportional to 685,542.02, 946,041.39 and 395,046.86

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Solution

The fourth proportional to 685,542.02, 946,041.39 and 395,046.86 is: 545,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,542.02 : 946,041.39 = 395,046.86 : x
  2. Step 2: Convert to fraction form
    685,542.02/946,041.39 = 395,046.86/x
  3. Step 3: Cross multiply
    685,542.02x = 946,041.39 × 395,046.86
  4. Step 4: Simplify right side
    685,542.02x = 373,730,675,819.33
  5. Step 5: Solve for x
    x = 373,730,675,819.33/685,542.02
  6. Step 6: Final answer
    x = 545,160.86

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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.