Finding the Fourth Proportional to 730,268.24, 1,007,770.08 and 407,978.42
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Solution
The fourth proportional to 730,268.24, 1,007,770.08 and 407,978.42 is: 563,010.17
Step by Step Solution
- Step 1: Write the proportion equation
730,268.24 : 1,007,770.08 = 407,978.42 : x - Step 2: Convert to fraction form
730,268.24/1,007,770.08 = 407,978.42/x - Step 3: Cross multiply
730,268.24x = 1,007,770.08 × 407,978.42 - Step 4: Simplify right side
730,268.24x = 411,148,444,961.67 - Step 5: Solve for x
x = 411,148,444,961.67/730,268.24 - Step 6: Final answer
x = 563,010.17
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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.