Finding the Fourth Proportional to 671,464.21, 926,592.07 and 365,534.19
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Solution
The fourth proportional to 671,464.21, 926,592.07 and 365,534.19 is: 504,421.65
Step by Step Solution
- Step 1: Write the proportion equation
671,464.21 : 926,592.07 = 365,534.19 : x - Step 2: Convert to fraction form
671,464.21/926,592.07 = 365,534.19/x - Step 3: Cross multiply
671,464.21x = 926,592.07 × 365,534.19 - Step 4: Simplify right side
671,464.21x = 338,701,081,767.87 - Step 5: Solve for x
x = 338,701,081,767.87/671,464.21 - Step 6: Final answer
x = 504,421.65
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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.