Home / 743,995.50-1,026,722.40-412,858.22

Finding the Fourth Proportional to 743,995.50, 1,026,722.40 and 412,858.22

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Solution

The fourth proportional to 743,995.50, 1,026,722.40 and 412,858.22 is: 569,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,995.50 : 1,026,722.40 = 412,858.22 : x
  2. Step 2: Convert to fraction form
    743,995.50/1,026,722.40 = 412,858.22/x
  3. Step 3: Cross multiply
    743,995.50x = 1,026,722.40 × 412,858.22
  4. Step 4: Simplify right side
    743,995.50x = 423,890,782,498.13
  5. Step 5: Solve for x
    x = 423,890,782,498.13/743,995.50
  6. Step 6: Final answer
    x = 569,749.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.