Finding the Fourth Proportional to 615,468.24, 849,796.08 and 397,805.70
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Solution
The fourth proportional to 615,468.24, 849,796.08 and 397,805.70 is: 549,262.66
Step by Step Solution
- Step 1: Write the proportion equation
615,468.24 : 849,796.08 = 397,805.70 : x - Step 2: Convert to fraction form
615,468.24/849,796.08 = 397,805.70/x - Step 3: Cross multiply
615,468.24x = 849,796.08 × 397,805.70 - Step 4: Simplify right side
615,468.24x = 338,053,724,461.66 - Step 5: Solve for x
x = 338,053,724,461.66/615,468.24 - Step 6: Final answer
x = 549,262.66
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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.