Finding the Fourth Proportional to 560,951.60, 774,116.08 and 306,302.80
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Solution
The fourth proportional to 560,951.60, 774,116.08 and 306,302.80 is: 422,699.43
Step by Step Solution
- Step 1: Write the proportion equation
560,951.60 : 774,116.08 = 306,302.80 : x - Step 2: Convert to fraction form
560,951.60/774,116.08 = 306,302.80/x - Step 3: Cross multiply
560,951.60x = 774,116.08 × 306,302.80 - Step 4: Simplify right side
560,951.60x = 237,113,922,829.02 - Step 5: Solve for x
x = 237,113,922,829.02/560,951.60 - Step 6: Final answer
x = 422,699.43
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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.