Finding the Fourth Proportional to 1,019,305.08, 1,528,918.62 and 309,304.44
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Solution
The fourth proportional to 1,019,305.08, 1,528,918.62 and 309,304.44 is: 463,944.83
Step by Step Solution
- Step 1: Write the proportion equation
1,019,305.08 : 1,528,918.62 = 309,304.44 : x - Step 2: Convert to fraction form
1,019,305.08/1,528,918.62 = 309,304.44/x - Step 3: Cross multiply
1,019,305.08x = 1,528,918.62 × 309,304.44 - Step 4: Simplify right side
1,019,305.08x = 472,901,317,564.67 - Step 5: Solve for x
x = 472,901,317,564.67/1,019,305.08 - Step 6: Final answer
x = 463,944.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.