Finding the Fourth Proportional to 542,970.12, 810,046.34 and 513,576.84
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Solution
The fourth proportional to 542,970.12, 810,046.34 and 513,576.84 is: 766,195.09
Step by Step Solution
- Step 1: Write the proportion equation
542,970.12 : 810,046.34 = 513,576.84 : x - Step 2: Convert to fraction form
542,970.12/810,046.34 = 513,576.84/x - Step 3: Cross multiply
542,970.12x = 810,046.34 × 513,576.84 - Step 4: Simplify right side
542,970.12x = 416,021,039,550.77 - Step 5: Solve for x
x = 416,021,039,550.77/542,970.12 - Step 6: Final answer
x = 766,195.09
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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.