Finding the Fourth Proportional to 884,823.75, 1,327,240.58 and 219,975.75
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Solution
The fourth proportional to 884,823.75, 1,327,240.58 and 219,975.75 is: 329,964.86
Step by Step Solution
- Step 1: Write the proportion equation
884,823.75 : 1,327,240.58 = 219,975.75 : x - Step 2: Convert to fraction form
884,823.75/1,327,240.58 = 219,975.75/x - Step 3: Cross multiply
884,823.75x = 1,327,240.58 × 219,975.75 - Step 4: Simplify right side
884,823.75x = 291,960,740,916.06 - Step 5: Solve for x
x = 291,960,740,916.06/884,823.75 - Step 6: Final answer
x = 329,964.86
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1.5x scale
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.