Home / 697,218.30-1,045,827.45-667,693.80

Finding the Fourth Proportional to 697,218.30, 1,045,827.45 and 667,693.80

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Solution

The fourth proportional to 697,218.30, 1,045,827.45 and 667,693.80 is: 1,001,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,218.30 : 1,045,827.45 = 667,693.80 : x
  2. Step 2: Convert to fraction form
    697,218.30/1,045,827.45 = 667,693.80/x
  3. Step 3: Cross multiply
    697,218.30x = 1,045,827.45 × 667,693.80
  4. Step 4: Simplify right side
    697,218.30x = 698,292,504,234.81
  5. Step 5: Solve for x
    x = 698,292,504,234.81/697,218.30
  6. Step 6: Final answer
    x = 1,001,540.70

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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.