Finding the Fourth Proportional to 1,316,173, 1,974,269.76 and 318,901
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Solution
The fourth proportional to 1,316,173, 1,974,269.76 and 318,901 is: 478,353.99
Step by Step Solution
- Step 1: Write the proportion equation
1,316,173 : 1,974,269.76 = 318,901 : x - Step 2: Convert to fraction form
1,316,173/1,974,269.76 = 318,901/x - Step 3: Cross multiply
1,316,173x = 1,974,269.76 × 318,901 - Step 4: Simplify right side
1,316,173x = 629,596,600,733.76 - Step 5: Solve for x
x = 629,596,600,733.76/1,316,173 - Step 6: Final answer
x = 478,353.99
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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.