Home / 727,966.85-1,004,595.21-405,669.87

Finding the Fourth Proportional to 727,966.85, 1,004,595.21 and 405,669.87

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Solution

The fourth proportional to 727,966.85, 1,004,595.21 and 405,669.87 is: 559,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,966.85 : 1,004,595.21 = 405,669.87 : x
  2. Step 2: Convert to fraction form
    727,966.85/1,004,595.21 = 405,669.87/x
  3. Step 3: Cross multiply
    727,966.85x = 1,004,595.21 × 405,669.87
  4. Step 4: Simplify right side
    727,966.85x = 407,534,008,243.32
  5. Step 5: Solve for x
    x = 407,534,008,243.32/727,966.85
  6. Step 6: Final answer
    x = 559,824.96

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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.