Finding the Fourth Proportional to 757,052.70, 1,044,468.91 and 485,270.45
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Solution
The fourth proportional to 757,052.70, 1,044,468.91 and 485,270.45 is: 669,504.12
Step by Step Solution
- Step 1: Write the proportion equation
757,052.70 : 1,044,468.91 = 485,270.45 : x - Step 2: Convert to fraction form
757,052.70/1,044,468.91 = 485,270.45/x - Step 3: Cross multiply
757,052.70x = 1,044,468.91 × 485,270.45 - Step 4: Simplify right side
757,052.70x = 506,849,897,475.63 - Step 5: Solve for x
x = 506,849,897,475.63/757,052.70 - Step 6: Final answer
x = 669,504.12
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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.