Finding the Fourth Proportional to 925,182.51, 1,276,365.11 and 720,878.74
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Solution
The fourth proportional to 925,182.51, 1,276,365.11 and 720,878.74 is: 994,511.32
Step by Step Solution
- Step 1: Write the proportion equation
925,182.51 : 1,276,365.11 = 720,878.74 : x - Step 2: Convert to fraction form
925,182.51/1,276,365.11 = 720,878.74/x - Step 3: Cross multiply
925,182.51x = 1,276,365.11 × 720,878.74 - Step 4: Simplify right side
925,182.51x = 920,104,476,715.95 - Step 5: Solve for x
x = 920,104,476,715.95/925,182.51 - Step 6: Final answer
x = 994,511.32
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1.5x scale
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.