Finding the Fourth Proportional to 763,727.36, 1,053,914.28 and 424,217.12
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Solution
The fourth proportional to 763,727.36, 1,053,914.28 and 424,217.12 is: 585,403.25
Step by Step Solution
- Step 1: Write the proportion equation
763,727.36 : 1,053,914.28 = 424,217.12 : x - Step 2: Convert to fraction form
763,727.36/1,053,914.28 = 424,217.12/x - Step 3: Cross multiply
763,727.36x = 1,053,914.28 × 424,217.12 - Step 4: Simplify right side
763,727.36x = 447,088,480,588.47 - Step 5: Solve for x
x = 447,088,480,588.47/763,727.36 - Step 6: Final answer
x = 585,403.25
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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.