Finding the Fourth Proportional to 472,844.80, 707,539.20 and 348,428.80
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Solution
The fourth proportional to 472,844.80, 707,539.20 and 348,428.80 is: 521,369.88
Step by Step Solution
- Step 1: Write the proportion equation
472,844.80 : 707,539.20 = 348,428.80 : x - Step 2: Convert to fraction form
472,844.80/707,539.20 = 348,428.80/x - Step 3: Cross multiply
472,844.80x = 707,539.20 × 348,428.80 - Step 4: Simplify right side
472,844.80x = 246,527,034,408.96 - Step 5: Solve for x
x = 246,527,034,408.96/472,844.80 - Step 6: Final answer
x = 521,369.88
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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.