Finding the Fourth Proportional to 873,670.76, 1,206,037.68 and 587,356.92
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Solution
The fourth proportional to 873,670.76, 1,206,037.68 and 587,356.92 is: 810,802.66
Step by Step Solution
- Step 1: Write the proportion equation
873,670.76 : 1,206,037.68 = 587,356.92 : x - Step 2: Convert to fraction form
873,670.76/1,206,037.68 = 587,356.92/x - Step 3: Cross multiply
873,670.76x = 1,206,037.68 × 587,356.92 - Step 4: Simplify right side
873,670.76x = 708,374,577,128.75 - Step 5: Solve for x
x = 708,374,577,128.75/873,670.76 - Step 6: Final answer
x = 810,802.66
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1.5x scale
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.