Finding the Fourth Proportional to 728,557.06, 1,092,173.98 and 254,984.08
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Solution
The fourth proportional to 728,557.06, 1,092,173.98 and 254,984.08 is: 382,244.57
Step by Step Solution
- Step 1: Write the proportion equation
728,557.06 : 1,092,173.98 = 254,984.08 : x - Step 2: Convert to fraction form
728,557.06/1,092,173.98 = 254,984.08/x - Step 3: Cross multiply
728,557.06x = 1,092,173.98 × 254,984.08 - Step 4: Simplify right side
728,557.06x = 278,486,977,490.24 - Step 5: Solve for x
x = 278,486,977,490.24/728,557.06 - Step 6: Final answer
x = 382,244.57
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1.5x scale
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.