Finding the Fourth Proportional to 829,185.08, 1,242,727.65 and 402,818.49
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Solution
The fourth proportional to 829,185.08, 1,242,727.65 and 402,818.49 is: 603,717.66
Step by Step Solution
- Step 1: Write the proportion equation
829,185.08 : 1,242,727.65 = 402,818.49 : x - Step 2: Convert to fraction form
829,185.08/1,242,727.65 = 402,818.49/x - Step 3: Cross multiply
829,185.08x = 1,242,727.65 × 402,818.49 - Step 4: Simplify right side
829,185.08x = 500,593,675,454.25 - Step 5: Solve for x
x = 500,593,675,454.25/829,185.08 - Step 6: Final answer
x = 603,717.66
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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.