Home / 823,964.39-1,236,617.04-424,719.34

Finding the Fourth Proportional to 823,964.39, 1,236,617.04 and 424,719.34

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Solution

The fourth proportional to 823,964.39, 1,236,617.04 and 424,719.34 is: 637,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,964.39 : 1,236,617.04 = 424,719.34 : x
  2. Step 2: Convert to fraction form
    823,964.39/1,236,617.04 = 424,719.34/x
  3. Step 3: Cross multiply
    823,964.39x = 1,236,617.04 × 424,719.34
  4. Step 4: Simplify right side
    823,964.39x = 525,215,174,607.33
  5. Step 5: Solve for x
    x = 525,215,174,607.33/823,964.39
  6. Step 6: Final answer
    x = 637,424.60

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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.