Finding the Fourth Proportional to 533,206.80, 731,908.62 and 471,424.05
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Solution
The fourth proportional to 533,206.80, 731,908.62 and 471,424.05 is: 647,102.26
Step by Step Solution
- Step 1: Write the proportion equation
533,206.80 : 731,908.62 = 471,424.05 : x - Step 2: Convert to fraction form
533,206.80/731,908.62 = 471,424.05/x - Step 3: Cross multiply
533,206.80x = 731,908.62 × 471,424.05 - Step 4: Simplify right side
533,206.80x = 345,039,323,513.19 - Step 5: Solve for x
x = 345,039,323,513.19/533,206.80 - Step 6: Final answer
x = 647,102.26
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.