Finding the Fourth Proportional to 829,528.26, 1,243,024.80 and 558,654.80
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Solution
The fourth proportional to 829,528.26, 1,243,024.80 and 558,654.80 is: 837,128.53
Step by Step Solution
- Step 1: Write the proportion equation
829,528.26 : 1,243,024.80 = 558,654.80 : x - Step 2: Convert to fraction form
829,528.26/1,243,024.80 = 558,654.80/x - Step 3: Cross multiply
829,528.26x = 1,243,024.80 × 558,654.80 - Step 4: Simplify right side
829,528.26x = 694,421,771,039.04 - Step 5: Solve for x
x = 694,421,771,039.04/829,528.26 - Step 6: Final answer
x = 837,128.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.