Home / 989,873.34-1,366,028.79-537,164.22

Finding the Fourth Proportional to 989,873.34, 1,366,028.79 and 537,164.22

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Solution

The fourth proportional to 989,873.34, 1,366,028.79 and 537,164.22 is: 741,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,873.34 : 1,366,028.79 = 537,164.22 : x
  2. Step 2: Convert to fraction form
    989,873.34/1,366,028.79 = 537,164.22/x
  3. Step 3: Cross multiply
    989,873.34x = 1,366,028.79 × 537,164.22
  4. Step 4: Simplify right side
    989,873.34x = 733,781,789,477.89
  5. Step 5: Solve for x
    x = 733,781,789,477.89/989,873.34
  6. Step 6: Final answer
    x = 741,288.57

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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.