Home / 744,285.12-1,116,427.56-218,973.12

Finding the Fourth Proportional to 744,285.12, 1,116,427.56 and 218,973.12

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Solution

The fourth proportional to 744,285.12, 1,116,427.56 and 218,973.12 is: 328,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,285.12 : 1,116,427.56 = 218,973.12 : x
  2. Step 2: Convert to fraction form
    744,285.12/1,116,427.56 = 218,973.12/x
  3. Step 3: Cross multiply
    744,285.12x = 1,116,427.56 × 218,973.12
  4. Step 4: Simplify right side
    744,285.12x = 244,467,626,067.19
  5. Step 5: Solve for x
    x = 244,467,626,067.19/744,285.12
  6. Step 6: Final answer
    x = 328,459.64

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Double scale
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Similar ratio
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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.