Finding the Fourth Proportional to 891,988.20, 1,230,944.34 and 484,089.94
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Solution
The fourth proportional to 891,988.20, 1,230,944.34 and 484,089.94 is: 668,044.46
Step by Step Solution
- Step 1: Write the proportion equation
891,988.20 : 1,230,944.34 = 484,089.94 : x - Step 2: Convert to fraction form
891,988.20/1,230,944.34 = 484,089.94/x - Step 3: Cross multiply
891,988.20x = 1,230,944.34 × 484,089.94 - Step 4: Simplify right side
891,988.20x = 595,887,775,047.96 - Step 5: Solve for x
x = 595,887,775,047.96/891,988.20 - Step 6: Final answer
x = 668,044.46
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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.