Finding the Fourth Proportional to 586,577.63, 809,477.12 and 318,305.63
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Solution
The fourth proportional to 586,577.63, 809,477.12 and 318,305.63 is: 439,261.76
Step by Step Solution
- Step 1: Write the proportion equation
586,577.63 : 809,477.12 = 318,305.63 : x - Step 2: Convert to fraction form
586,577.63/809,477.12 = 318,305.63/x - Step 3: Cross multiply
586,577.63x = 809,477.12 × 318,305.63 - Step 4: Simplify right side
586,577.63x = 257,661,121,400.56 - Step 5: Solve for x
x = 257,661,121,400.56/586,577.63 - Step 6: Final answer
x = 439,261.76
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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.