Finding the Fourth Proportional to 833,123.14, 1,148,849.92 and 712,663.18
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Solution
The fourth proportional to 833,123.14, 1,148,849.92 and 712,663.18 is: 982,739.52
Step by Step Solution
- Step 1: Write the proportion equation
833,123.14 : 1,148,849.92 = 712,663.18 : x - Step 2: Convert to fraction form
833,123.14/1,148,849.92 = 712,663.18/x - Step 3: Cross multiply
833,123.14x = 1,148,849.92 × 712,663.18 - Step 4: Simplify right side
833,123.14x = 818,743,037,329.95 - Step 5: Solve for x
x = 818,743,037,329.95/833,123.14 - Step 6: Final answer
x = 982,739.52
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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.