Finding the Fourth Proportional to 509,642.12, 760,163.14 and 442,554.68
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Solution
The fourth proportional to 509,642.12, 760,163.14 and 442,554.68 is: 660,098.02
Step by Step Solution
- Step 1: Write the proportion equation
509,642.12 : 760,163.14 = 442,554.68 : x - Step 2: Convert to fraction form
509,642.12/760,163.14 = 442,554.68/x - Step 3: Cross multiply
509,642.12x = 760,163.14 × 442,554.68 - Step 4: Simplify right side
509,642.12x = 336,413,755,170.50 - Step 5: Solve for x
x = 336,413,755,170.50/509,642.12 - Step 6: Final answer
x = 660,098.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.