Finding the Fourth Proportional to 920,308.84, 1,270,649.63 and 576,282.80
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Solution
The fourth proportional to 920,308.84, 1,270,649.63 and 576,282.80 is: 795,660.65
Step by Step Solution
- Step 1: Write the proportion equation
920,308.84 : 1,270,649.63 = 576,282.80 : x - Step 2: Convert to fraction form
920,308.84/1,270,649.63 = 576,282.80/x - Step 3: Cross multiply
920,308.84x = 1,270,649.63 × 576,282.80 - Step 4: Simplify right side
920,308.84x = 732,253,531,212.70 - Step 5: Solve for x
x = 732,253,531,212.70/920,308.84 - Step 6: Final answer
x = 795,660.65
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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.