Home / 727,968.85-1,004,597.97-405,671.87

Finding the Fourth Proportional to 727,968.85, 1,004,597.97 and 405,671.87

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Solution

The fourth proportional to 727,968.85, 1,004,597.97 and 405,671.87 is: 559,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,968.85 : 1,004,597.97 = 405,671.87 : x
  2. Step 2: Convert to fraction form
    727,968.85/1,004,597.97 = 405,671.87/x
  3. Step 3: Cross multiply
    727,968.85x = 1,004,597.97 × 405,671.87
  4. Step 4: Simplify right side
    727,968.85x = 407,537,137,088.10
  5. Step 5: Solve for x
    x = 407,537,137,088.10/727,968.85
  6. Step 6: Final answer
    x = 559,827.71

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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.