Finding the Fourth Proportional to 929,455.93, 1,282,695.84 and 580,806.92
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Solution
The fourth proportional to 929,455.93, 1,282,695.84 and 580,806.92 is: 801,542.71
Step by Step Solution
- Step 1: Write the proportion equation
929,455.93 : 1,282,695.84 = 580,806.92 : x - Step 2: Convert to fraction form
929,455.93/1,282,695.84 = 580,806.92/x - Step 3: Cross multiply
929,455.93x = 1,282,695.84 × 580,806.92 - Step 4: Simplify right side
929,455.93x = 744,998,623,333.95 - Step 5: Solve for x
x = 744,998,623,333.95/929,455.93 - Step 6: Final answer
x = 801,542.71
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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.