Finding the Fourth Proportional to 506,639.13, 699,092.94 and 302,646.75
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Solution
The fourth proportional to 506,639.13, 699,092.94 and 302,646.75 is: 417,611.26
Step by Step Solution
- Step 1: Write the proportion equation
506,639.13 : 699,092.94 = 302,646.75 : x - Step 2: Convert to fraction form
506,639.13/699,092.94 = 302,646.75/x - Step 3: Cross multiply
506,639.13x = 699,092.94 × 302,646.75 - Step 4: Simplify right side
506,639.13x = 211,578,206,238.95 - Step 5: Solve for x
x = 211,578,206,238.95/506,639.13 - Step 6: Final answer
x = 417,611.26
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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.