Home / 675,218.35-1,013,541.19-659,970.86

Finding the Fourth Proportional to 675,218.35, 1,013,541.19 and 659,970.86

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Solution

The fourth proportional to 675,218.35, 1,013,541.19 and 659,970.86 is: 990,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,218.35 : 1,013,541.19 = 659,970.86 : x
  2. Step 2: Convert to fraction form
    675,218.35/1,013,541.19 = 659,970.86/x
  3. Step 3: Cross multiply
    675,218.35x = 1,013,541.19 × 659,970.86
  4. Step 4: Simplify right side
    675,218.35x = 668,907,644,092.09
  5. Step 5: Solve for x
    x = 668,907,644,092.09/675,218.35
  6. Step 6: Final answer
    x = 990,653.84

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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.