Finding the Fourth Proportional to 828,073.51, 1,242,372.84 and 295,582.75
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Solution
The fourth proportional to 828,073.51, 1,242,372.84 and 295,582.75 is: 443,467.85
Step by Step Solution
- Step 1: Write the proportion equation
828,073.51 : 1,242,372.84 = 295,582.75 : x - Step 2: Convert to fraction form
828,073.51/1,242,372.84 = 295,582.75/x - Step 3: Cross multiply
828,073.51x = 1,242,372.84 × 295,582.75 - Step 4: Simplify right side
828,073.51x = 367,223,980,572.51 - Step 5: Solve for x
x = 367,223,980,572.51/828,073.51 - Step 6: Final answer
x = 443,467.85
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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.