Finding the Fourth Proportional to 874,869.84, 1,207,320.41 and 472,461.84
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Solution
The fourth proportional to 874,869.84, 1,207,320.41 and 472,461.84 is: 651,997.35
Step by Step Solution
- Step 1: Write the proportion equation
874,869.84 : 1,207,320.41 = 472,461.84 : x - Step 2: Convert to fraction form
874,869.84/1,207,320.41 = 472,461.84/x - Step 3: Cross multiply
874,869.84x = 1,207,320.41 × 472,461.84 - Step 4: Simplify right side
874,869.84x = 570,412,820,015.85 - Step 5: Solve for x
x = 570,412,820,015.85/874,869.84 - Step 6: Final answer
x = 651,997.35
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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.