Finding the Fourth Proportional to 563,646.68, 777,842.46 and 305,532.08
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Solution
The fourth proportional to 563,646.68, 777,842.46 and 305,532.08 is: 421,639.71
Step by Step Solution
- Step 1: Write the proportion equation
563,646.68 : 777,842.46 = 305,532.08 : x - Step 2: Convert to fraction form
563,646.68/777,842.46 = 305,532.08/x - Step 3: Cross multiply
563,646.68x = 777,842.46 × 305,532.08 - Step 4: Simplify right side
563,646.68x = 237,655,824,716.12 - Step 5: Solve for x
x = 237,655,824,716.12/563,646.68 - Step 6: Final answer
x = 421,639.71
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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.