Finding the Fourth Proportional to 961,243.34, 1,442,731.70 and 512,338.10
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Solution
The fourth proportional to 961,243.34, 1,442,731.70 and 512,338.10 is: 768,969.09
Step by Step Solution
- Step 1: Write the proportion equation
961,243.34 : 1,442,731.70 = 512,338.10 : x - Step 2: Convert to fraction form
961,243.34/1,442,731.70 = 512,338.10/x - Step 3: Cross multiply
961,243.34x = 1,442,731.70 × 512,338.10 - Step 4: Simplify right side
961,243.34x = 739,166,412,054.96 - Step 5: Solve for x
x = 739,166,412,054.96/961,243.34 - Step 6: Final answer
x = 768,969.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.