Finding the Fourth Proportional to 533,687.13, 736,485.62 and 291,965.31
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Solution
The fourth proportional to 533,687.13, 736,485.62 and 291,965.31 is: 402,910.69
Step by Step Solution
- Step 1: Write the proportion equation
533,687.13 : 736,485.62 = 291,965.31 : x - Step 2: Convert to fraction form
533,687.13/736,485.62 = 291,965.31/x - Step 3: Cross multiply
533,687.13x = 736,485.62 × 291,965.31 - Step 4: Simplify right side
533,687.13x = 215,028,250,894.02 - Step 5: Solve for x
x = 215,028,250,894.02/533,687.13 - Step 6: Final answer
x = 402,910.69
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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.