Finding the Fourth Proportional to 581,998.40, 873,653.70 and 449,466.20
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Solution
The fourth proportional to 581,998.40, 873,653.70 and 449,466.20 is: 674,705.99
Step by Step Solution
- Step 1: Write the proportion equation
581,998.40 : 873,653.70 = 449,466.20 : x - Step 2: Convert to fraction form
581,998.40/873,653.70 = 449,466.20/x - Step 3: Cross multiply
581,998.40x = 873,653.70 × 449,466.20 - Step 4: Simplify right side
581,998.40x = 392,677,808,654.94 - Step 5: Solve for x
x = 392,677,808,654.94/581,998.40 - Step 6: Final answer
x = 674,705.99
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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.