Finding the Fourth Proportional to 999,150.35, 1,378,838.36 and 546,431.63
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Solution
The fourth proportional to 999,150.35, 1,378,838.36 and 546,431.63 is: 754,081.60
Step by Step Solution
- Step 1: Write the proportion equation
999,150.35 : 1,378,838.36 = 546,431.63 : x - Step 2: Convert to fraction form
999,150.35/1,378,838.36 = 546,431.63/x - Step 3: Cross multiply
999,150.35x = 1,378,838.36 × 546,431.63 - Step 4: Simplify right side
999,150.35x = 753,440,887,033.21 - Step 5: Solve for x
x = 753,440,887,033.21/999,150.35 - Step 6: Final answer
x = 754,081.60
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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.