Home / 989,876.34-1,366,032.94-537,167.22

Finding the Fourth Proportional to 989,876.34, 1,366,032.94 and 537,167.22

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Solution

The fourth proportional to 989,876.34, 1,366,032.94 and 537,167.22 is: 741,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,876.34 : 1,366,032.94 = 537,167.22 : x
  2. Step 2: Convert to fraction form
    989,876.34/1,366,032.94 = 537,167.22/x
  3. Step 3: Cross multiply
    989,876.34x = 1,366,032.94 × 537,167.22
  4. Step 4: Simplify right side
    989,876.34x = 733,788,116,808.23
  5. Step 5: Solve for x
    x = 733,788,116,808.23/989,876.34
  6. Step 6: Final answer
    x = 741,292.71

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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.