Finding the Fourth Proportional to 854,622.95, 1,179,400.35 and 467,474.75
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Solution
The fourth proportional to 854,622.95, 1,179,400.35 and 467,474.75 is: 645,126.46
Step by Step Solution
- Step 1: Write the proportion equation
854,622.95 : 1,179,400.35 = 467,474.75 : x - Step 2: Convert to fraction form
854,622.95/1,179,400.35 = 467,474.75/x - Step 3: Cross multiply
854,622.95x = 1,179,400.35 × 467,474.75 - Step 4: Simplify right side
854,622.95x = 551,339,877,869.16 - Step 5: Solve for x
x = 551,339,877,869.16/854,622.95 - Step 6: Final answer
x = 645,126.46
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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.