Finding the Fourth Proportional to 761,755.19, 1,142,821.71 and 537,553.67
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Solution
The fourth proportional to 761,755.19, 1,142,821.71 and 537,553.67 is: 806,463.82
Step by Step Solution
- Step 1: Write the proportion equation
761,755.19 : 1,142,821.71 = 537,553.67 : x - Step 2: Convert to fraction form
761,755.19/1,142,821.71 = 537,553.67/x - Step 3: Cross multiply
761,755.19x = 1,142,821.71 × 537,553.67 - Step 4: Simplify right side
761,755.19x = 614,327,998,652.07 - Step 5: Solve for x
x = 614,327,998,652.07/761,755.19 - Step 6: Final answer
x = 806,463.82
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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.