Finding the Fourth Proportional to 545,262.84, 752,586.80 and 353,944.08
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Solution
The fourth proportional to 545,262.84, 752,586.80 and 353,944.08 is: 488,523.37
Step by Step Solution
- Step 1: Write the proportion equation
545,262.84 : 752,586.80 = 353,944.08 : x - Step 2: Convert to fraction form
545,262.84/752,586.80 = 353,944.08/x - Step 3: Cross multiply
545,262.84x = 752,586.80 × 353,944.08 - Step 4: Simplify right side
545,262.84x = 266,373,640,776.42 - Step 5: Solve for x
x = 266,373,640,776.42/545,262.84 - Step 6: Final answer
x = 488,523.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.