Finding the Fourth Proportional to 758,070.09, 1,046,138.94 and 413,908.99
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Solution
The fourth proportional to 758,070.09, 1,046,138.94 and 413,908.99 is: 571,195.61
Step by Step Solution
- Step 1: Write the proportion equation
758,070.09 : 1,046,138.94 = 413,908.99 : x - Step 2: Convert to fraction form
758,070.09/1,046,138.94 = 413,908.99/x - Step 3: Cross multiply
758,070.09x = 1,046,138.94 × 413,908.99 - Step 4: Simplify right side
758,070.09x = 433,006,309,439.72 - Step 5: Solve for x
x = 433,006,309,439.72/758,070.09 - Step 6: Final answer
x = 571,195.61
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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.