Home / 727,716.03-1,086,457.31-556,039.27

Finding the Fourth Proportional to 727,716.03, 1,086,457.31 and 556,039.27

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Solution

The fourth proportional to 727,716.03, 1,086,457.31 and 556,039.27 is: 830,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,716.03 : 1,086,457.31 = 556,039.27 : x
  2. Step 2: Convert to fraction form
    727,716.03/1,086,457.31 = 556,039.27/x
  3. Step 3: Cross multiply
    727,716.03x = 1,086,457.31 × 556,039.27
  4. Step 4: Simplify right side
    727,716.03x = 604,112,929,538.56
  5. Step 5: Solve for x
    x = 604,112,929,538.56/727,716.03
  6. Step 6: Final answer
    x = 830,149.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.