Finding the Fourth Proportional to 478,337.29, 717,506.84 and 449,108.03
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Solution
The fourth proportional to 478,337.29, 717,506.84 and 449,108.03 is: 673,662.90
Step by Step Solution
- Step 1: Write the proportion equation
478,337.29 : 717,506.84 = 449,108.03 : x - Step 2: Convert to fraction form
478,337.29/717,506.84 = 449,108.03/x - Step 3: Cross multiply
478,337.29x = 717,506.84 × 449,108.03 - Step 4: Simplify right side
478,337.29x = 322,238,086,340.46 - Step 5: Solve for x
x = 322,238,086,340.46/478,337.29 - Step 6: Final answer
x = 673,662.90
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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.