Finding the Fourth Proportional to 564,882.08, 779,543.42 and 310,233.26
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Solution
The fourth proportional to 564,882.08, 779,543.42 and 310,233.26 is: 428,125.28
Step by Step Solution
- Step 1: Write the proportion equation
564,882.08 : 779,543.42 = 310,233.26 : x - Step 2: Convert to fraction form
564,882.08/779,543.42 = 310,233.26/x - Step 3: Cross multiply
564,882.08x = 779,543.42 × 310,233.26 - Step 4: Simplify right side
564,882.08x = 241,840,296,498.15 - Step 5: Solve for x
x = 241,840,296,498.15/564,882.08 - Step 6: Final answer
x = 428,125.28
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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.