Finding the Fourth Proportional to 988,593.60, 1,482,544.80 and 515,121.60
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Solution
The fourth proportional to 988,593.60, 1,482,544.80 and 515,121.60 is: 772,502.32
Step by Step Solution
- Step 1: Write the proportion equation
988,593.60 : 1,482,544.80 = 515,121.60 : x - Step 2: Convert to fraction form
988,593.60/1,482,544.80 = 515,121.60/x - Step 3: Cross multiply
988,593.60x = 1,482,544.80 × 515,121.60 - Step 4: Simplify right side
988,593.60x = 763,690,849,447.68 - Step 5: Solve for x
x = 763,690,849,447.68/988,593.60 - Step 6: Final answer
x = 772,502.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.