Finding the Fourth Proportional to 528,216.09, 790,552.66 and 433,442.44
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Solution
The fourth proportional to 528,216.09, 790,552.66 and 433,442.44 is: 648,710.03
Step by Step Solution
- Step 1: Write the proportion equation
528,216.09 : 790,552.66 = 433,442.44 : x - Step 2: Convert to fraction form
528,216.09/790,552.66 = 433,442.44/x - Step 3: Cross multiply
528,216.09x = 790,552.66 × 433,442.44 - Step 4: Simplify right side
528,216.09x = 342,659,074,616.18 - Step 5: Solve for x
x = 342,659,074,616.18/528,216.09 - Step 6: Final answer
x = 648,710.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.