Home / 727,701.36-1,091,668.68-307,039.20

Finding the Fourth Proportional to 727,701.36, 1,091,668.68 and 307,039.20

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Solution

The fourth proportional to 727,701.36, 1,091,668.68 and 307,039.20 is: 460,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,701.36 : 1,091,668.68 = 307,039.20 : x
  2. Step 2: Convert to fraction form
    727,701.36/1,091,668.68 = 307,039.20/x
  3. Step 3: Cross multiply
    727,701.36x = 1,091,668.68 × 307,039.20
  4. Step 4: Simplify right side
    727,701.36x = 335,185,078,172.26
  5. Step 5: Solve for x
    x = 335,185,078,172.26/727,701.36
  6. Step 6: Final answer
    x = 460,608.01

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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.