Finding the Fourth Proportional to 568,862.44, 785,032.84 and 310,742.98
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Solution
The fourth proportional to 568,862.44, 785,032.84 and 310,742.98 is: 428,826.77
Step by Step Solution
- Step 1: Write the proportion equation
568,862.44 : 785,032.84 = 310,742.98 : x - Step 2: Convert to fraction form
568,862.44/785,032.84 = 310,742.98/x - Step 3: Cross multiply
568,862.44x = 785,032.84 × 310,742.98 - Step 4: Simplify right side
568,862.44x = 243,943,444,099.46 - Step 5: Solve for x
x = 243,943,444,099.46/568,862.44 - Step 6: Final answer
x = 428,826.77
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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.