Home / 1,150,259.80-1,725,389.70-308,896.60

Finding the Fourth Proportional to 1,150,259.80, 1,725,389.70 and 308,896.60

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Solution

The fourth proportional to 1,150,259.80, 1,725,389.70 and 308,896.60 is: 463,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,259.80 : 1,725,389.70 = 308,896.60 : x
  2. Step 2: Convert to fraction form
    1,150,259.80/1,725,389.70 = 308,896.60/x
  3. Step 3: Cross multiply
    1,150,259.80x = 1,725,389.70 × 308,896.60
  4. Step 4: Simplify right side
    1,150,259.80x = 532,967,012,005.02
  5. Step 5: Solve for x
    x = 532,967,012,005.02/1,150,259.80
  6. Step 6: Final answer
    x = 463,344.90

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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.