Home / 804,161.40-1,211,889.82-724,299.48

Finding the Fourth Proportional to 804,161.40, 1,211,889.82 and 724,299.48

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Solution

The fourth proportional to 804,161.40, 1,211,889.82 and 724,299.48 is: 1,091,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,161.40 : 1,211,889.82 = 724,299.48 : x
  2. Step 2: Convert to fraction form
    804,161.40/1,211,889.82 = 724,299.48/x
  3. Step 3: Cross multiply
    804,161.40x = 1,211,889.82 × 724,299.48
  4. Step 4: Simplify right side
    804,161.40x = 877,771,166,443.29
  5. Step 5: Solve for x
    x = 877,771,166,443.29/804,161.40
  6. Step 6: Final answer
    x = 1,091,536.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.