Finding the Fourth Proportional to 775,659.96, 1,163,489.98 and 243,223.88
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Solution
The fourth proportional to 775,659.96, 1,163,489.98 and 243,223.88 is: 364,835.83
Step by Step Solution
- Step 1: Write the proportion equation
775,659.96 : 1,163,489.98 = 243,223.88 : x - Step 2: Convert to fraction form
775,659.96/1,163,489.98 = 243,223.88/x - Step 3: Cross multiply
775,659.96x = 1,163,489.98 × 243,223.88 - Step 4: Simplify right side
775,659.96x = 282,988,547,276.72 - Step 5: Solve for x
x = 282,988,547,276.72/775,659.96 - Step 6: Final answer
x = 364,835.83
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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.