Finding the Fourth Proportional to 842,909.25, 1,163,214.26 and 460,936.03
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Solution
The fourth proportional to 842,909.25, 1,163,214.26 and 460,936.03 is: 636,091.45
Step by Step Solution
- Step 1: Write the proportion equation
842,909.25 : 1,163,214.26 = 460,936.03 : x - Step 2: Convert to fraction form
842,909.25/1,163,214.26 = 460,936.03/x - Step 3: Cross multiply
842,909.25x = 1,163,214.26 × 460,936.03 - Step 4: Simplify right side
842,909.25x = 536,167,367,104.16 - Step 5: Solve for x
x = 536,167,367,104.16/842,909.25 - Step 6: Final answer
x = 636,091.45
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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.