Finding the Fourth Proportional to 787,553.28, 1,181,070.72 and 432,967.68
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Solution
The fourth proportional to 787,553.28, 1,181,070.72 and 432,967.68 is: 649,309.02
Step by Step Solution
- Step 1: Write the proportion equation
787,553.28 : 1,181,070.72 = 432,967.68 : x - Step 2: Convert to fraction form
787,553.28/1,181,070.72 = 432,967.68/x - Step 3: Cross multiply
787,553.28x = 1,181,070.72 × 432,967.68 - Step 4: Simplify right side
787,553.28x = 511,365,449,554.33 - Step 5: Solve for x
x = 511,365,449,554.33/787,553.28 - Step 6: Final answer
x = 649,309.02
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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.