Home / 989,917.56-1,366,087.18-537,208.56

Finding the Fourth Proportional to 989,917.56, 1,366,087.18 and 537,208.56

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Solution

The fourth proportional to 989,917.56, 1,366,087.18 and 537,208.56 is: 741,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,917.56 : 1,366,087.18 = 537,208.56 : x
  2. Step 2: Convert to fraction form
    989,917.56/1,366,087.18 = 537,208.56/x
  3. Step 3: Cross multiply
    989,917.56x = 1,366,087.18 × 537,208.56
  4. Step 4: Simplify right side
    989,917.56x = 733,873,726,802.26
  5. Step 5: Solve for x
    x = 733,873,726,802.26/989,917.56
  6. Step 6: Final answer
    x = 741,348.33

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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.