Finding the Fourth Proportional to 479,944.72, 661,945.80 and 447,752.08
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Solution
The fourth proportional to 479,944.72, 661,945.80 and 447,752.08 is: 617,545.31
Step by Step Solution
- Step 1: Write the proportion equation
479,944.72 : 661,945.80 = 447,752.08 : x - Step 2: Convert to fraction form
479,944.72/661,945.80 = 447,752.08/x - Step 3: Cross multiply
479,944.72x = 661,945.80 × 447,752.08 - Step 4: Simplify right side
479,944.72x = 296,387,608,797.26 - Step 5: Solve for x
x = 296,387,608,797.26/479,944.72 - Step 6: Final answer
x = 617,545.31
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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.