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Finding the Fourth Proportional to 550,256.70, 825,385.05 and 370,895.37

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Solution

The fourth proportional to 550,256.70, 825,385.05 and 370,895.37 is: 556,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,256.70 : 825,385.05 = 370,895.37 : x
  2. Step 2: Convert to fraction form
    550,256.70/825,385.05 = 370,895.37/x
  3. Step 3: Cross multiply
    550,256.70x = 825,385.05 × 370,895.37
  4. Step 4: Simplify right side
    550,256.70x = 306,131,489,385.29
  5. Step 5: Solve for x
    x = 306,131,489,385.29/550,256.70
  6. Step 6: Final answer
    x = 556,343.05

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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.