Finding the Fourth Proportional to 732,458.23, 1,010,743.35 and 405,749.13
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Solution
The fourth proportional to 732,458.23, 1,010,743.35 and 405,749.13 is: 559,906.65
Step by Step Solution
- Step 1: Write the proportion equation
732,458.23 : 1,010,743.35 = 405,749.13 : x - Step 2: Convert to fraction form
732,458.23/1,010,743.35 = 405,749.13/x - Step 3: Cross multiply
732,458.23x = 1,010,743.35 × 405,749.13 - Step 4: Simplify right side
732,458.23x = 410,108,234,915.79 - Step 5: Solve for x
x = 410,108,234,915.79/732,458.23 - Step 6: Final answer
x = 559,906.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.