Finding the Fourth Proportional to 864,239.79, 1,191,766.05 and 573,749.09
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Solution
The fourth proportional to 864,239.79, 1,191,766.05 and 573,749.09 is: 791,186.30
Step by Step Solution
- Step 1: Write the proportion equation
864,239.79 : 1,191,766.05 = 573,749.09 : x - Step 2: Convert to fraction form
864,239.79/1,191,766.05 = 573,749.09/x - Step 3: Cross multiply
864,239.79x = 1,191,766.05 × 573,749.09 - Step 4: Simplify right side
864,239.79x = 683,774,680,721.56 - Step 5: Solve for x
x = 683,774,680,721.56/864,239.79 - Step 6: Final answer
x = 791,186.30
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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.