Finding the Fourth Proportional to 884,659.68, 1,326,990.44 and 219,811.68
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Solution
The fourth proportional to 884,659.68, 1,326,990.44 and 219,811.68 is: 329,717.75
Step by Step Solution
- Step 1: Write the proportion equation
884,659.68 : 1,326,990.44 = 219,811.68 : x - Step 2: Convert to fraction form
884,659.68/1,326,990.44 = 219,811.68/x - Step 3: Cross multiply
884,659.68x = 1,326,990.44 × 219,811.68 - Step 4: Simplify right side
884,659.68x = 291,687,997,960.34 - Step 5: Solve for x
x = 291,687,997,960.34/884,659.68 - Step 6: Final answer
x = 329,717.75
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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.