Finding the Fourth Proportional to 964,381.68, 1,330,212.78 and 619,674.84
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Solution
The fourth proportional to 964,381.68, 1,330,212.78 and 619,674.84 is: 854,743.93
Step by Step Solution
- Step 1: Write the proportion equation
964,381.68 : 1,330,212.78 = 619,674.84 : x - Step 2: Convert to fraction form
964,381.68/1,330,212.78 = 619,674.84/x - Step 3: Cross multiply
964,381.68x = 1,330,212.78 × 619,674.84 - Step 4: Simplify right side
964,381.68x = 824,299,391,612.46 - Step 5: Solve for x
x = 824,299,391,612.46/964,381.68 - Step 6: Final answer
x = 854,743.93
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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.