Finding the Fourth Proportional to 999,147.24, 1,378,794.96 and 546,428.52
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Solution
The fourth proportional to 999,147.24, 1,378,794.96 and 546,428.52 is: 754,055.92
Step by Step Solution
- Step 1: Write the proportion equation
999,147.24 : 1,378,794.96 = 546,428.52 : x - Step 2: Convert to fraction form
999,147.24/1,378,794.96 = 546,428.52/x - Step 3: Cross multiply
999,147.24x = 1,378,794.96 × 546,428.52 - Step 4: Simplify right side
999,147.24x = 753,412,889,376.26 - Step 5: Solve for x
x = 753,412,889,376.26/999,147.24 - Step 6: Final answer
x = 754,055.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.