Finding the Fourth Proportional to 828,347.08, 1,242,521.88 and 251,975.44
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Solution
The fourth proportional to 828,347.08, 1,242,521.88 and 251,975.44 is: 377,963.54
Step by Step Solution
- Step 1: Write the proportion equation
828,347.08 : 1,242,521.88 = 251,975.44 : x - Step 2: Convert to fraction form
828,347.08/1,242,521.88 = 251,975.44/x - Step 3: Cross multiply
828,347.08x = 1,242,521.88 × 251,975.44 - Step 4: Simplify right side
828,347.08x = 313,084,997,422.63 - Step 5: Solve for x
x = 313,084,997,422.63/828,347.08 - Step 6: Final answer
x = 377,963.54
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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.