Home / 744,109.34-1,116,255.74-211,671.83

Finding the Fourth Proportional to 744,109.34, 1,116,255.74 and 211,671.83

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Solution

The fourth proportional to 744,109.34, 1,116,255.74 and 211,671.83 is: 317,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,109.34 : 1,116,255.74 = 211,671.83 : x
  2. Step 2: Convert to fraction form
    744,109.34/1,116,255.74 = 211,671.83/x
  3. Step 3: Cross multiply
    744,109.34x = 1,116,255.74 × 211,671.83
  4. Step 4: Simplify right side
    744,109.34x = 236,279,896,966.08
  5. Step 5: Solve for x
    x = 236,279,896,966.08/744,109.34
  6. Step 6: Final answer
    x = 317,533.84

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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.