Home / 685,068.48-1,026,480.78-364,880.52

Finding the Fourth Proportional to 685,068.48, 1,026,480.78 and 364,880.52

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Solution

The fourth proportional to 685,068.48, 1,026,480.78 and 364,880.52 is: 546,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,068.48 : 1,026,480.78 = 364,880.52 : x
  2. Step 2: Convert to fraction form
    685,068.48/1,026,480.78 = 364,880.52/x
  3. Step 3: Cross multiply
    685,068.48x = 1,026,480.78 × 364,880.52
  4. Step 4: Simplify right side
    685,068.48x = 374,542,840,776.41
  5. Step 5: Solve for x
    x = 374,542,840,776.41/685,068.48
  6. Step 6: Final answer
    x = 546,723.21

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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.