Finding the Fourth Proportional to 849,687.96, 1,275,320.34 and 429,259.08
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Solution
The fourth proportional to 849,687.96, 1,275,320.34 and 429,259.08 is: 644,286.92
Step by Step Solution
- Step 1: Write the proportion equation
849,687.96 : 1,275,320.34 = 429,259.08 : x - Step 2: Convert to fraction form
849,687.96/1,275,320.34 = 429,259.08/x - Step 3: Cross multiply
849,687.96x = 1,275,320.34 × 429,259.08 - Step 4: Simplify right side
849,687.96x = 547,442,835,853.69 - Step 5: Solve for x
x = 547,442,835,853.69/849,687.96 - Step 6: Final answer
x = 644,286.92
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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.