Finding the Fourth Proportional to 718,122.04, 990,643.98 and 548,060.92
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Solution
The fourth proportional to 718,122.04, 990,643.98 and 548,060.92 is: 756,045.94
Step by Step Solution
- Step 1: Write the proportion equation
718,122.04 : 990,643.98 = 548,060.92 : x - Step 2: Convert to fraction form
718,122.04/990,643.98 = 548,060.92/x - Step 3: Cross multiply
718,122.04x = 990,643.98 × 548,060.92 - Step 4: Simplify right side
718,122.04x = 542,933,251,071.26 - Step 5: Solve for x
x = 542,933,251,071.26/718,122.04 - Step 6: Final answer
x = 756,045.94
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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.