Finding the Fourth Proportional to 528,285.44, 792,398.99 and 386,276.24
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Solution
The fourth proportional to 528,285.44, 792,398.99 and 386,276.24 is: 579,393.03
Step by Step Solution
- Step 1: Write the proportion equation
528,285.44 : 792,398.99 = 386,276.24 : x - Step 2: Convert to fraction form
528,285.44/792,398.99 = 386,276.24/x - Step 3: Cross multiply
528,285.44x = 792,398.99 × 386,276.24 - Step 4: Simplify right side
528,285.44x = 306,084,896,543.62 - Step 5: Solve for x
x = 306,084,896,543.62/528,285.44 - Step 6: Final answer
x = 579,393.03
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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.