Finding the Fourth Proportional to 722,092.48, 996,498.12 and 415,999.96
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Solution
The fourth proportional to 722,092.48, 996,498.12 and 415,999.96 is: 574,085.99
Step by Step Solution
- Step 1: Write the proportion equation
722,092.48 : 996,498.12 = 415,999.96 : x - Step 2: Convert to fraction form
722,092.48/996,498.12 = 415,999.96/x - Step 3: Cross multiply
722,092.48x = 996,498.12 × 415,999.96 - Step 4: Simplify right side
722,092.48x = 414,543,178,060.08 - Step 5: Solve for x
x = 414,543,178,060.08/722,092.48 - Step 6: Final answer
x = 574,085.99
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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.