Finding the Fourth Proportional to 926,474.24, 1,278,427.02 and 518,598.92
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Solution
The fourth proportional to 926,474.24, 1,278,427.02 and 518,598.92 is: 715,606.37
Step by Step Solution
- Step 1: Write the proportion equation
926,474.24 : 1,278,427.02 = 518,598.92 : x - Step 2: Convert to fraction form
926,474.24/1,278,427.02 = 518,598.92/x - Step 3: Cross multiply
926,474.24x = 1,278,427.02 × 518,598.92 - Step 4: Simplify right side
926,474.24x = 662,990,871,870.82 - Step 5: Solve for x
x = 662,990,871,870.82/926,474.24 - Step 6: Final answer
x = 715,606.37
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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.