Home / 727,853.34-1,004,424.22-405,556.50

Finding the Fourth Proportional to 727,853.34, 1,004,424.22 and 405,556.50

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Solution

The fourth proportional to 727,853.34, 1,004,424.22 and 405,556.50 is: 559,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,853.34 : 1,004,424.22 = 405,556.50 : x
  2. Step 2: Convert to fraction form
    727,853.34/1,004,424.22 = 405,556.50/x
  3. Step 3: Cross multiply
    727,853.34x = 1,004,424.22 × 405,556.50
  4. Step 4: Simplify right side
    727,853.34x = 407,350,771,178.43
  5. Step 5: Solve for x
    x = 407,350,771,178.43/727,853.34
  6. Step 6: Final answer
    x = 559,660.51

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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.