Finding the Fourth Proportional to 832,861.84, 1,149,349.72 and 450,888.62
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Solution
The fourth proportional to 832,861.84, 1,149,349.72 and 450,888.62 is: 622,226.50
Step by Step Solution
- Step 1: Write the proportion equation
832,861.84 : 1,149,349.72 = 450,888.62 : x - Step 2: Convert to fraction form
832,861.84/1,149,349.72 = 450,888.62/x - Step 3: Cross multiply
832,861.84x = 1,149,349.72 × 450,888.62 - Step 4: Simplify right side
832,861.84x = 518,228,709,148.19 - Step 5: Solve for x
x = 518,228,709,148.19/832,861.84 - Step 6: Final answer
x = 622,226.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.