Finding the Fourth Proportional to 1,019,299.97, 1,528,959.29 and 309,328.09
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Solution
The fourth proportional to 1,019,299.97, 1,528,959.29 and 309,328.09 is: 463,994.96
Step by Step Solution
- Step 1: Write the proportion equation
1,019,299.97 : 1,528,959.29 = 309,328.09 : x - Step 2: Convert to fraction form
1,019,299.97/1,528,959.29 = 309,328.09/x - Step 3: Cross multiply
1,019,299.97x = 1,528,959.29 × 309,328.09 - Step 4: Simplify right side
1,019,299.97x = 472,950,051,494.42 - Step 5: Solve for x
x = 472,950,051,494.42/1,019,299.97 - Step 6: Final answer
x = 463,994.96
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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.