Home / 902,855.88-1,245,908.01-494,948.77

Finding the Fourth Proportional to 902,855.88, 1,245,908.01 and 494,948.77

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Solution

The fourth proportional to 902,855.88, 1,245,908.01 and 494,948.77 is: 683,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,855.88 : 1,245,908.01 = 494,948.77 : x
  2. Step 2: Convert to fraction form
    902,855.88/1,245,908.01 = 494,948.77/x
  3. Step 3: Cross multiply
    902,855.88x = 1,245,908.01 × 494,948.77
  4. Step 4: Simplify right side
    902,855.88x = 616,660,638,536.02
  5. Step 5: Solve for x
    x = 616,660,638,536.02/902,855.88
  6. Step 6: Final answer
    x = 683,011.16

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.