Finding the Fourth Proportional to 954,852.68, 1,431,972.84 and 315,013.02
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Solution
The fourth proportional to 954,852.68, 1,431,972.84 and 315,013.02 is: 472,418.52
Step by Step Solution
- Step 1: Write the proportion equation
954,852.68 : 1,431,972.84 = 315,013.02 : x - Step 2: Convert to fraction form
954,852.68/1,431,972.84 = 315,013.02/x - Step 3: Cross multiply
954,852.68x = 1,431,972.84 × 315,013.02 - Step 4: Simplify right side
954,852.68x = 451,090,088,886.38 - Step 5: Solve for x
x = 451,090,088,886.38/954,852.68 - Step 6: Final answer
x = 472,418.52
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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.