Home / 727,969.85-1,004,599.35-405,672.87

Finding the Fourth Proportional to 727,969.85, 1,004,599.35 and 405,672.87

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Solution

The fourth proportional to 727,969.85, 1,004,599.35 and 405,672.87 is: 559,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,969.85 : 1,004,599.35 = 405,672.87 : x
  2. Step 2: Convert to fraction form
    727,969.85/1,004,599.35 = 405,672.87/x
  3. Step 3: Cross multiply
    727,969.85x = 1,004,599.35 × 405,672.87
  4. Step 4: Simplify right side
    727,969.85x = 407,538,701,514.63
  5. Step 5: Solve for x
    x = 407,538,701,514.63/727,969.85
  6. Step 6: Final answer
    x = 559,829.09

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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.