Finding the Fourth Proportional to 529,970.03, 731,337.62 and 288,252.26
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Solution
The fourth proportional to 529,970.03, 731,337.62 and 288,252.26 is: 397,776.69
Step by Step Solution
- Step 1: Write the proportion equation
529,970.03 : 731,337.62 = 288,252.26 : x - Step 2: Convert to fraction form
529,970.03/731,337.62 = 288,252.26/x - Step 3: Cross multiply
529,970.03x = 731,337.62 × 288,252.26 - Step 4: Simplify right side
529,970.03x = 210,809,721,788.02 - Step 5: Solve for x
x = 210,809,721,788.02/529,970.03 - Step 6: Final answer
x = 397,776.69
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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.