Finding the Fourth Proportional to 787,328.68, 1,086,560.58 and 596,039.08
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Solution
The fourth proportional to 787,328.68, 1,086,560.58 and 596,039.08 is: 822,569.51
Step by Step Solution
- Step 1: Write the proportion equation
787,328.68 : 1,086,560.58 = 596,039.08 : x - Step 2: Convert to fraction form
787,328.68/1,086,560.58 = 596,039.08/x - Step 3: Cross multiply
787,328.68x = 1,086,560.58 × 596,039.08 - Step 4: Simplify right side
787,328.68x = 647,632,568,467.47 - Step 5: Solve for x
x = 647,632,568,467.47/787,328.68 - Step 6: Final answer
x = 822,569.51
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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.