Finding the Fourth Proportional to 919,476.96, 1,375,716.24 and 553,363.68
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Solution
The fourth proportional to 919,476.96, 1,375,716.24 and 553,363.68 is: 827,939.62
Step by Step Solution
- Step 1: Write the proportion equation
919,476.96 : 1,375,716.24 = 553,363.68 : x - Step 2: Convert to fraction form
919,476.96/1,375,716.24 = 553,363.68/x - Step 3: Cross multiply
919,476.96x = 1,375,716.24 × 553,363.68 - Step 4: Simplify right side
919,476.96x = 761,271,401,202.16 - Step 5: Solve for x
x = 761,271,401,202.16/919,476.96 - Step 6: Final answer
x = 827,939.62
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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.