Finding the Fourth Proportional to 948,979.02, 1,423,473.99 and 388,013.52
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Solution
The fourth proportional to 948,979.02, 1,423,473.99 and 388,013.52 is: 582,022.51
Step by Step Solution
- Step 1: Write the proportion equation
948,979.02 : 1,423,473.99 = 388,013.52 : x - Step 2: Convert to fraction form
948,979.02/1,423,473.99 = 388,013.52/x - Step 3: Cross multiply
948,979.02x = 1,423,473.99 × 388,013.52 - Step 4: Simplify right side
948,979.02x = 552,327,153,488.35 - Step 5: Solve for x
x = 552,327,153,488.35/948,979.02 - Step 6: Final answer
x = 582,022.51
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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.