Home / 697,076.26-1,045,624.72-270,636.78

Finding the Fourth Proportional to 697,076.26, 1,045,624.72 and 270,636.78

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Solution

The fourth proportional to 697,076.26, 1,045,624.72 and 270,636.78 is: 405,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,076.26 : 1,045,624.72 = 270,636.78 : x
  2. Step 2: Convert to fraction form
    697,076.26/1,045,624.72 = 270,636.78/x
  3. Step 3: Cross multiply
    697,076.26x = 1,045,624.72 × 270,636.78
  4. Step 4: Simplify right side
    697,076.26x = 282,984,507,309.20
  5. Step 5: Solve for x
    x = 282,984,507,309.20/697,076.26
  6. Step 6: Final answer
    x = 405,959.18

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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.