Finding the Fourth Proportional to 528,293.63, 729,045.21 and 301,943.99
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Solution
The fourth proportional to 528,293.63, 729,045.21 and 301,943.99 is: 416,682.70
Step by Step Solution
- Step 1: Write the proportion equation
528,293.63 : 729,045.21 = 301,943.99 : x - Step 2: Convert to fraction form
528,293.63/729,045.21 = 301,943.99/x - Step 3: Cross multiply
528,293.63x = 729,045.21 × 301,943.99 - Step 4: Simplify right side
528,293.63x = 220,130,815,952.56 - Step 5: Solve for x
x = 220,130,815,952.56/528,293.63 - Step 6: Final answer
x = 416,682.70
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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.