Finding the Fourth Proportional to 619,245.80, 927,486.30 and 478,548.20
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Solution
The fourth proportional to 619,245.80, 927,486.30 and 478,548.20 is: 716,753.99
Step by Step Solution
- Step 1: Write the proportion equation
619,245.80 : 927,486.30 = 478,548.20 : x - Step 2: Convert to fraction form
619,245.80/927,486.30 = 478,548.20/x - Step 3: Cross multiply
619,245.80x = 927,486.30 × 478,548.20 - Step 4: Simplify right side
619,245.80x = 443,846,899,389.66 - Step 5: Solve for x
x = 443,846,899,389.66/619,245.80 - Step 6: Final answer
x = 716,753.99
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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.