Finding the Fourth Proportional to 842,968.17, 1,163,305.26 and 460,986.75
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Solution
The fourth proportional to 842,968.17, 1,163,305.26 and 460,986.75 is: 636,166.74
Step by Step Solution
- Step 1: Write the proportion equation
842,968.17 : 1,163,305.26 = 460,986.75 : x - Step 2: Convert to fraction form
842,968.17/1,163,305.26 = 460,986.75/x - Step 3: Cross multiply
842,968.17x = 1,163,305.26 × 460,986.75 - Step 4: Simplify right side
842,968.17x = 536,268,311,065.31 - Step 5: Solve for x
x = 536,268,311,065.31/842,968.17 - Step 6: Final answer
x = 636,166.74
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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.