Finding the Fourth Proportional to 848,569.75, 1,272,013.84 and 398,484.95
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Solution
The fourth proportional to 848,569.75, 1,272,013.84 and 398,484.95 is: 597,332.60
Step by Step Solution
- Step 1: Write the proportion equation
848,569.75 : 1,272,013.84 = 398,484.95 : x - Step 2: Convert to fraction form
848,569.75/1,272,013.84 = 398,484.95/x - Step 3: Cross multiply
848,569.75x = 1,272,013.84 × 398,484.95 - Step 4: Simplify right side
848,569.75x = 506,878,371,431.71 - Step 5: Solve for x
x = 506,878,371,431.71/848,569.75 - Step 6: Final answer
x = 597,332.60
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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.