Finding the Fourth Proportional to 564,862.08, 779,508.74 and 310,213.26
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Solution
The fourth proportional to 564,862.08, 779,508.74 and 310,213.26 is: 428,093.79
Step by Step Solution
- Step 1: Write the proportion equation
564,862.08 : 779,508.74 = 310,213.26 : x - Step 2: Convert to fraction form
564,862.08/779,508.74 = 310,213.26/x - Step 3: Cross multiply
564,862.08x = 779,508.74 × 310,213.26 - Step 4: Simplify right side
564,862.08x = 241,813,947,433.89 - Step 5: Solve for x
x = 241,813,947,433.89/564,862.08 - Step 6: Final answer
x = 428,093.79
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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.