Finding the Fourth Proportional to 1,092,948.74, 1,639,532.49 and 334,781.45
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Solution
The fourth proportional to 1,092,948.74, 1,639,532.49 and 334,781.45 is: 502,205.68
Step by Step Solution
- Step 1: Write the proportion equation
1,092,948.74 : 1,639,532.49 = 334,781.45 : x - Step 2: Convert to fraction form
1,092,948.74/1,639,532.49 = 334,781.45/x - Step 3: Cross multiply
1,092,948.74x = 1,639,532.49 × 334,781.45 - Step 4: Simplify right side
1,092,948.74x = 548,885,072,124.98 - Step 5: Solve for x
x = 548,885,072,124.98/1,092,948.74 - Step 6: Final answer
x = 502,205.68
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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.