Home / 980,605.36-1,470,868.08-270,615.25

Finding the Fourth Proportional to 980,605.36, 1,470,868.08 and 270,615.25

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Solution

The fourth proportional to 980,605.36, 1,470,868.08 and 270,615.25 is: 405,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,605.36 : 1,470,868.08 = 270,615.25 : x
  2. Step 2: Convert to fraction form
    980,605.36/1,470,868.08 = 270,615.25/x
  3. Step 3: Cross multiply
    980,605.36x = 1,470,868.08 × 270,615.25
  4. Step 4: Simplify right side
    980,605.36x = 398,039,333,186.22
  5. Step 5: Solve for x
    x = 398,039,333,186.22/980,605.36
  6. Step 6: Final answer
    x = 405,911.85

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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.