Finding the Fourth Proportional to 835,230.40, 1,152,618.69 and 453,257.18
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Solution
The fourth proportional to 835,230.40, 1,152,618.69 and 453,257.18 is: 625,495.31
Step by Step Solution
- Step 1: Write the proportion equation
835,230.40 : 1,152,618.69 = 453,257.18 : x - Step 2: Convert to fraction form
835,230.40/1,152,618.69 = 453,257.18/x - Step 3: Cross multiply
835,230.40x = 1,152,618.69 × 453,257.18 - Step 4: Simplify right side
835,230.40x = 522,432,697,044.69 - Step 5: Solve for x
x = 522,432,697,044.69/835,230.40 - Step 6: Final answer
x = 625,495.31
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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.