Finding the Fourth Proportional to 758,139.98, 1,046,257.65 and 413,993.88
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Solution
The fourth proportional to 758,139.98, 1,046,257.65 and 413,993.88 is: 571,324.92
Step by Step Solution
- Step 1: Write the proportion equation
758,139.98 : 1,046,257.65 = 413,993.88 : x - Step 2: Convert to fraction form
758,139.98/1,046,257.65 = 413,993.88/x - Step 3: Cross multiply
758,139.98x = 1,046,257.65 × 413,993.88 - Step 4: Simplify right side
758,139.98x = 433,144,264,003.18 - Step 5: Solve for x
x = 433,144,264,003.18/758,139.98 - Step 6: Final answer
x = 571,324.92
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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.