Finding the Fourth Proportional to 767,764.36, 1,151,646.54 and 393,548.68
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Solution
The fourth proportional to 767,764.36, 1,151,646.54 and 393,548.68 is: 590,323.02
Step by Step Solution
- Step 1: Write the proportion equation
767,764.36 : 1,151,646.54 = 393,548.68 : x - Step 2: Convert to fraction form
767,764.36/1,151,646.54 = 393,548.68/x - Step 3: Cross multiply
767,764.36x = 1,151,646.54 × 393,548.68 - Step 4: Simplify right side
767,764.36x = 453,228,975,643.57 - Step 5: Solve for x
x = 453,228,975,643.57/767,764.36 - Step 6: Final answer
x = 590,323.02
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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.