Finding the Fourth Proportional to 828,277.70, 1,143,009.45 and 460,750.44
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Solution
The fourth proportional to 828,277.70, 1,143,009.45 and 460,750.44 is: 635,827.94
Step by Step Solution
- Step 1: Write the proportion equation
828,277.70 : 1,143,009.45 = 460,750.44 : x - Step 2: Convert to fraction form
828,277.70/1,143,009.45 = 460,750.44/x - Step 3: Cross multiply
828,277.70x = 1,143,009.45 × 460,750.44 - Step 4: Simplify right side
828,277.70x = 526,642,102,548.36 - Step 5: Solve for x
x = 526,642,102,548.36/828,277.70 - Step 6: Final answer
x = 635,827.94
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1.5x scale
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.