Home / 966,644.43-1,334,341.32-644,236.89

Finding the Fourth Proportional to 966,644.43, 1,334,341.32 and 644,236.89

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Solution

The fourth proportional to 966,644.43, 1,334,341.32 and 644,236.89 is: 889,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,644.43 : 1,334,341.32 = 644,236.89 : x
  2. Step 2: Convert to fraction form
    966,644.43/1,334,341.32 = 644,236.89/x
  3. Step 3: Cross multiply
    966,644.43x = 1,334,341.32 × 644,236.89
  4. Step 4: Simplify right side
    966,644.43x = 859,631,907,717.05
  5. Step 5: Solve for x
    x = 859,631,907,717.05/966,644.43
  6. Step 6: Final answer
    x = 889,294.84

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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.