Finding the Fourth Proportional to 899,777.94, 1,240,888.80 and 746,573.12
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Solution
The fourth proportional to 899,777.94, 1,240,888.80 and 746,573.12 is: 1,029,603.17
Step by Step Solution
- Step 1: Write the proportion equation
899,777.94 : 1,240,888.80 = 746,573.12 : x - Step 2: Convert to fraction form
899,777.94/1,240,888.80 = 746,573.12/x - Step 3: Cross multiply
899,777.94x = 1,240,888.80 × 746,573.12 - Step 4: Simplify right side
899,777.94x = 926,414,222,989.06 - Step 5: Solve for x
x = 926,414,222,989.06/899,777.94 - Step 6: Final answer
x = 1,029,603.17
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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.