Finding the Fourth Proportional to 891,561.80, 1,230,355.28 and 509,596.79
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Solution
The fourth proportional to 891,561.80, 1,230,355.28 and 509,596.79 is: 703,243.56
Step by Step Solution
- Step 1: Write the proportion equation
891,561.80 : 1,230,355.28 = 509,596.79 : x - Step 2: Convert to fraction form
891,561.80/1,230,355.28 = 509,596.79/x - Step 3: Cross multiply
891,561.80x = 1,230,355.28 × 509,596.79 - Step 4: Simplify right side
891,561.80x = 626,985,092,547.79 - Step 5: Solve for x
x = 626,985,092,547.79/891,561.80 - Step 6: Final answer
x = 703,243.56
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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.