Home / 989,204.20-1,365,103.38-536,495.56

Finding the Fourth Proportional to 989,204.20, 1,365,103.38 and 536,495.56

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Solution

The fourth proportional to 989,204.20, 1,365,103.38 and 536,495.56 is: 740,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,204.20 : 1,365,103.38 = 536,495.56 : x
  2. Step 2: Convert to fraction form
    989,204.20/1,365,103.38 = 536,495.56/x
  3. Step 3: Cross multiply
    989,204.20x = 1,365,103.38 × 536,495.56
  4. Step 4: Simplify right side
    989,204.20x = 732,371,902,310.99
  5. Step 5: Solve for x
    x = 732,371,902,310.99/989,204.20
  6. Step 6: Final answer
    x = 740,364.73

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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.