Finding the Fourth Proportional to 854,894.98, 1,179,750.79 and 467,703.38
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Solution
The fourth proportional to 854,894.98, 1,179,750.79 and 467,703.38 is: 645,428.32
Step by Step Solution
- Step 1: Write the proportion equation
854,894.98 : 1,179,750.79 = 467,703.38 : x - Step 2: Convert to fraction form
854,894.98/1,179,750.79 = 467,703.38/x - Step 3: Cross multiply
854,894.98x = 1,179,750.79 × 467,703.38 - Step 4: Simplify right side
854,894.98x = 551,773,435,574.68 - Step 5: Solve for x
x = 551,773,435,574.68/854,894.98 - Step 6: Final answer
x = 645,428.32
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1.5x scale
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.