Home / 727,862.58-1,004,436.82-405,565.81

Finding the Fourth Proportional to 727,862.58, 1,004,436.82 and 405,565.81

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Solution

The fourth proportional to 727,862.58, 1,004,436.82 and 405,565.81 is: 559,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,862.58 : 1,004,436.82 = 405,565.81 : x
  2. Step 2: Convert to fraction form
    727,862.58/1,004,436.82 = 405,565.81/x
  3. Step 3: Cross multiply
    727,862.58x = 1,004,436.82 × 405,565.81
  4. Step 4: Simplify right side
    727,862.58x = 407,365,230,492.99
  5. Step 5: Solve for x
    x = 407,365,230,492.99/727,862.58
  6. Step 6: Final answer
    x = 559,673.27

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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.