Finding the Fourth Proportional to 635,075.86, 876,374.76 and 344,680.84
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Solution
The fourth proportional to 635,075.86, 876,374.76 and 344,680.84 is: 475,643.32
Step by Step Solution
- Step 1: Write the proportion equation
635,075.86 : 876,374.76 = 344,680.84 : x - Step 2: Convert to fraction form
635,075.86/876,374.76 = 344,680.84/x - Step 3: Cross multiply
635,075.86x = 876,374.76 × 344,680.84 - Step 4: Simplify right side
635,075.86x = 302,069,588,431.60 - Step 5: Solve for x
x = 302,069,588,431.60/635,075.86 - Step 6: Final answer
x = 475,643.32
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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.