Finding the Fourth Proportional to 777,013.92, 1,072,312.28 and 432,849.44
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Solution
The fourth proportional to 777,013.92, 1,072,312.28 and 432,849.44 is: 597,350.65
Step by Step Solution
- Step 1: Write the proportion equation
777,013.92 : 1,072,312.28 = 432,849.44 : x - Step 2: Convert to fraction form
777,013.92/1,072,312.28 = 432,849.44/x - Step 3: Cross multiply
777,013.92x = 1,072,312.28 × 432,849.44 - Step 4: Simplify right side
777,013.92x = 464,149,769,903.12 - Step 5: Solve for x
x = 464,149,769,903.12/777,013.92 - Step 6: Final answer
x = 597,350.65
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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.