Finding the Fourth Proportional to 664,306.53, 916,716.63 and 392,461.98
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Solution
The fourth proportional to 664,306.53, 916,716.63 and 392,461.98 is: 541,581.95
Step by Step Solution
- Step 1: Write the proportion equation
664,306.53 : 916,716.63 = 392,461.98 : x - Step 2: Convert to fraction form
664,306.53/916,716.63 = 392,461.98/x - Step 3: Cross multiply
664,306.53x = 916,716.63 × 392,461.98 - Step 4: Simplify right side
664,306.53x = 359,776,423,708.73 - Step 5: Solve for x
x = 359,776,423,708.73/664,306.53 - Step 6: Final answer
x = 541,581.95
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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.