Home / 808,170.36-1,115,283.80-440,644.48

Finding the Fourth Proportional to 808,170.36, 1,115,283.80 and 440,644.48

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Solution

The fourth proportional to 808,170.36, 1,115,283.80 and 440,644.48 is: 608,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,170.36 : 1,115,283.80 = 440,644.48 : x
  2. Step 2: Convert to fraction form
    808,170.36/1,115,283.80 = 440,644.48/x
  3. Step 3: Cross multiply
    808,170.36x = 1,115,283.80 × 440,644.48
  4. Step 4: Simplify right side
    808,170.36x = 491,443,650,103.42
  5. Step 5: Solve for x
    x = 491,443,650,103.42/808,170.36
  6. Step 6: Final answer
    x = 608,094.13

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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.