Finding the Fourth Proportional to 828,974.12, 1,243,460.80 and 373,032.42
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Solution
The fourth proportional to 828,974.12, 1,243,460.80 and 373,032.42 is: 559,548.46
Step by Step Solution
- Step 1: Write the proportion equation
828,974.12 : 1,243,460.80 = 373,032.42 : x - Step 2: Convert to fraction form
828,974.12/1,243,460.80 = 373,032.42/x - Step 3: Cross multiply
828,974.12x = 1,243,460.80 × 373,032.42 - Step 4: Simplify right side
828,974.12x = 463,851,191,399.14 - Step 5: Solve for x
x = 463,851,191,399.14/828,974.12 - Step 6: Final answer
x = 559,548.46
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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.