Finding the Fourth Proportional to 987,225.07, 1,480,837.61 and 239,271.07
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Solution
The fourth proportional to 987,225.07, 1,480,837.61 and 239,271.07 is: 358,906.61
Step by Step Solution
- Step 1: Write the proportion equation
987,225.07 : 1,480,837.61 = 239,271.07 : x - Step 2: Convert to fraction form
987,225.07/1,480,837.61 = 239,271.07/x - Step 3: Cross multiply
987,225.07x = 1,480,837.61 × 239,271.07 - Step 4: Simplify right side
987,225.07x = 354,321,598,244.59 - Step 5: Solve for x
x = 354,321,598,244.59/987,225.07 - Step 6: Final answer
x = 358,906.61
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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.