Finding the Fourth Proportional to 763,634.28, 1,053,817.76 and 424,102.52
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Solution
The fourth proportional to 763,634.28, 1,053,817.76 and 424,102.52 is: 585,262.84
Step by Step Solution
- Step 1: Write the proportion equation
763,634.28 : 1,053,817.76 = 424,102.52 : x - Step 2: Convert to fraction form
763,634.28/1,053,817.76 = 424,102.52/x - Step 3: Cross multiply
763,634.28x = 1,053,817.76 × 424,102.52 - Step 4: Simplify right side
763,634.28x = 446,926,767,636.76 - Step 5: Solve for x
x = 446,926,767,636.76/763,634.28 - Step 6: Final answer
x = 585,262.84
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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.