Finding the Fourth Proportional to 835,721.64, 1,153,277.64 and 453,745.08
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Solution
The fourth proportional to 835,721.64, 1,153,277.64 and 453,745.08 is: 626,158.32
Step by Step Solution
- Step 1: Write the proportion equation
835,721.64 : 1,153,277.64 = 453,745.08 : x - Step 2: Convert to fraction form
835,721.64/1,153,277.64 = 453,745.08/x - Step 3: Cross multiply
835,721.64x = 1,153,277.64 × 453,745.08 - Step 4: Simplify right side
835,721.64x = 523,294,055,024.01 - Step 5: Solve for x
x = 523,294,055,024.01/835,721.64 - Step 6: Final answer
x = 626,158.32
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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.