Finding the Fourth Proportional to 740,614.08, 1,021,283.04 and 633,538.56
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Solution
The fourth proportional to 740,614.08, 1,021,283.04 and 633,538.56 is: 873,629.34
Step by Step Solution
- Step 1: Write the proportion equation
740,614.08 : 1,021,283.04 = 633,538.56 : x - Step 2: Convert to fraction form
740,614.08/1,021,283.04 = 633,538.56/x - Step 3: Cross multiply
740,614.08x = 1,021,283.04 × 633,538.56 - Step 4: Simplify right side
740,614.08x = 647,022,186,514.02 - Step 5: Solve for x
x = 647,022,186,514.02/740,614.08 - Step 6: Final answer
x = 873,629.34
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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.