Finding the Fourth Proportional to 835,217.74, 1,152,603.57 and 453,244.42
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Solution
The fourth proportional to 835,217.74, 1,152,603.57 and 453,244.42 is: 625,478.98
Step by Step Solution
- Step 1: Write the proportion equation
835,217.74 : 1,152,603.57 = 453,244.42 : x - Step 2: Convert to fraction form
835,217.74/1,152,603.57 = 453,244.42/x - Step 3: Cross multiply
835,217.74x = 1,152,603.57 × 453,244.42 - Step 4: Simplify right side
835,217.74x = 522,411,136,574.58 - Step 5: Solve for x
x = 522,411,136,574.58/835,217.74 - Step 6: Final answer
x = 625,478.98
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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.