Finding the Fourth Proportional to 532,613.36, 734,995.05 and 290,896.88
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Solution
The fourth proportional to 532,613.36, 734,995.05 and 290,896.88 is: 401,431.47
Step by Step Solution
- Step 1: Write the proportion equation
532,613.36 : 734,995.05 = 290,896.88 : x - Step 2: Convert to fraction form
532,613.36/734,995.05 = 290,896.88/x - Step 3: Cross multiply
532,613.36x = 734,995.05 × 290,896.88 - Step 4: Simplify right side
532,613.36x = 213,807,763,185.47 - Step 5: Solve for x
x = 213,807,763,185.47/532,613.36 - Step 6: Final answer
x = 401,431.47
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1.5x scale
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.