Finding the Fourth Proportional to 976,636.32, 1,465,901.44 and 471,553.68
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Solution
The fourth proportional to 976,636.32, 1,465,901.44 and 471,553.68 is: 707,787.74
Step by Step Solution
- Step 1: Write the proportion equation
976,636.32 : 1,465,901.44 = 471,553.68 : x - Step 2: Convert to fraction form
976,636.32/1,465,901.44 = 471,553.68/x - Step 3: Cross multiply
976,636.32x = 1,465,901.44 × 471,553.68 - Step 4: Simplify right side
976,636.32x = 691,251,218,549.30 - Step 5: Solve for x
x = 691,251,218,549.30/976,636.32 - Step 6: Final answer
x = 707,787.74
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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.