Finding the Fourth Proportional to 818,233.60, 1,226,767.20 and 312,599.20
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Solution
The fourth proportional to 818,233.60, 1,226,767.20 and 312,599.20 is: 468,675.99
Step by Step Solution
- Step 1: Write the proportion equation
818,233.60 : 1,226,767.20 = 312,599.20 : x - Step 2: Convert to fraction form
818,233.60/1,226,767.20 = 312,599.20/x - Step 3: Cross multiply
818,233.60x = 1,226,767.20 × 312,599.20 - Step 4: Simplify right side
818,233.60x = 383,486,445,306.24 - Step 5: Solve for x
x = 383,486,445,306.24/818,233.60 - Step 6: Final answer
x = 468,675.99
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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.