Finding the Fourth Proportional to 532,610.36, 734,990.91 and 290,893.88
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Solution
The fourth proportional to 532,610.36, 734,990.91 and 290,893.88 is: 401,427.33
Step by Step Solution
- Step 1: Write the proportion equation
532,610.36 : 734,990.91 = 290,893.88 : x - Step 2: Convert to fraction form
532,610.36/734,990.91 = 290,893.88/x - Step 3: Cross multiply
532,610.36x = 734,990.91 × 290,893.88 - Step 4: Simplify right side
532,610.36x = 213,804,353,899.68 - Step 5: Solve for x
x = 213,804,353,899.68/532,610.36 - Step 6: Final answer
x = 401,427.33
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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.