Finding the Fourth Proportional to 812,849.38, 1,219,077.99 and 339,278.02
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Solution
The fourth proportional to 812,849.38, 1,219,077.99 and 339,278.02 is: 508,835.19
Step by Step Solution
- Step 1: Write the proportion equation
812,849.38 : 1,219,077.99 = 339,278.02 : x - Step 2: Convert to fraction form
812,849.38/1,219,077.99 = 339,278.02/x - Step 3: Cross multiply
812,849.38x = 1,219,077.99 × 339,278.02 - Step 4: Simplify right side
812,849.38x = 413,606,366,672.78 - Step 5: Solve for x
x = 413,606,366,672.78/812,849.38 - Step 6: Final answer
x = 508,835.19
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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.