Finding the Fourth Proportional to 586,602.96, 809,512.07 and 318,330.96
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Solution
The fourth proportional to 586,602.96, 809,512.07 and 318,330.96 is: 439,296.71
Step by Step Solution
- Step 1: Write the proportion equation
586,602.96 : 809,512.07 = 318,330.96 : x - Step 2: Convert to fraction form
586,602.96/809,512.07 = 318,330.96/x - Step 3: Cross multiply
586,602.96x = 809,512.07 × 318,330.96 - Step 4: Simplify right side
586,602.96x = 257,692,752,783.03 - Step 5: Solve for x
x = 257,692,752,783.03/586,602.96 - Step 6: Final answer
x = 439,296.71
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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.