Finding the Fourth Proportional to 910,506.60, 1,366,586.10 and 461,539.80
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Solution
The fourth proportional to 910,506.60, 1,366,586.10 and 461,539.80 is: 692,728.50
Step by Step Solution
- Step 1: Write the proportion equation
910,506.60 : 1,366,586.10 = 461,539.80 : x - Step 2: Convert to fraction form
910,506.60/1,366,586.10 = 461,539.80/x - Step 3: Cross multiply
910,506.60x = 1,366,586.10 × 461,539.80 - Step 4: Simplify right side
910,506.60x = 630,733,875,276.78 - Step 5: Solve for x
x = 630,733,875,276.78/910,506.60 - Step 6: Final answer
x = 692,728.50
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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.