Finding the Fourth Proportional to 912,907.62, 1,369,486.04 and 380,304.09
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Solution
The fourth proportional to 912,907.62, 1,369,486.04 and 380,304.09 is: 570,508.04
Step by Step Solution
- Step 1: Write the proportion equation
912,907.62 : 1,369,486.04 = 380,304.09 : x - Step 2: Convert to fraction form
912,907.62/1,369,486.04 = 380,304.09/x - Step 3: Cross multiply
912,907.62x = 1,369,486.04 × 380,304.09 - Step 4: Simplify right side
912,907.62x = 520,821,140,308.38 - Step 5: Solve for x
x = 520,821,140,308.38/912,907.62 - Step 6: Final answer
x = 570,508.04
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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.