Home / 744,477.22-1,116,722.40-211,997.80

Finding the Fourth Proportional to 744,477.22, 1,116,722.40 and 211,997.80

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Solution

The fourth proportional to 744,477.22, 1,116,722.40 and 211,997.80 is: 317,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,477.22 : 1,116,722.40 = 211,997.80 : x
  2. Step 2: Convert to fraction form
    744,477.22/1,116,722.40 = 211,997.80/x
  3. Step 3: Cross multiply
    744,477.22x = 1,116,722.40 × 211,997.80
  4. Step 4: Simplify right side
    744,477.22x = 236,742,692,010.72
  5. Step 5: Solve for x
    x = 236,742,692,010.72/744,477.22
  6. Step 6: Final answer
    x = 317,998.57

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1.5x scale

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.