Home / 753,774.30-1,130,552.10-221,239.80

Finding the Fourth Proportional to 753,774.30, 1,130,552.10 and 221,239.80

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Solution

The fourth proportional to 753,774.30, 1,130,552.10 and 221,239.80 is: 331,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,774.30 : 1,130,552.10 = 221,239.80 : x
  2. Step 2: Convert to fraction form
    753,774.30/1,130,552.10 = 221,239.80/x
  3. Step 3: Cross multiply
    753,774.30x = 1,130,552.10 × 221,239.80
  4. Step 4: Simplify right side
    753,774.30x = 250,123,120,493.58
  5. Step 5: Solve for x
    x = 250,123,120,493.58/753,774.30
  6. Step 6: Final answer
    x = 331,827.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.