Finding the Fourth Proportional to 657,773.62, 907,727.60 and 355,967.62
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Solution
The fourth proportional to 657,773.62, 907,727.60 and 355,967.62 is: 491,235.32
Step by Step Solution
- Step 1: Write the proportion equation
657,773.62 : 907,727.60 = 355,967.62 : x - Step 2: Convert to fraction form
657,773.62/907,727.60 = 355,967.62/x - Step 3: Cross multiply
657,773.62x = 907,727.60 × 355,967.62 - Step 4: Simplify right side
657,773.62x = 323,121,633,380.31 - Step 5: Solve for x
x = 323,121,633,380.31/657,773.62 - Step 6: Final answer
x = 491,235.32
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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.