Finding the Fourth Proportional to 528,921.20, 793,446.60 and 173,838.80
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Solution
The fourth proportional to 528,921.20, 793,446.60 and 173,838.80 is: 260,779.50
Step by Step Solution
- Step 1: Write the proportion equation
528,921.20 : 793,446.60 = 173,838.80 : x - Step 2: Convert to fraction form
528,921.20/793,446.60 = 173,838.80/x - Step 3: Cross multiply
528,921.20x = 793,446.60 × 173,838.80 - Step 4: Simplify right side
528,921.20x = 137,931,804,808.08 - Step 5: Solve for x
x = 137,931,804,808.08/528,921.20 - Step 6: Final answer
x = 260,779.50
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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.