Finding the Fourth Proportional to 987,216.06, 1,480,824.09 and 239,262.06
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Solution
The fourth proportional to 987,216.06, 1,480,824.09 and 239,262.06 is: 358,893.09
Step by Step Solution
- Step 1: Write the proportion equation
987,216.06 : 1,480,824.09 = 239,262.06 : x - Step 2: Convert to fraction form
987,216.06/1,480,824.09 = 239,262.06/x - Step 3: Cross multiply
987,216.06x = 1,480,824.09 × 239,262.06 - Step 4: Simplify right side
987,216.06x = 354,305,022,271.03 - Step 5: Solve for x
x = 354,305,022,271.03/987,216.06 - Step 6: Final answer
x = 358,893.09
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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.