Finding the Fourth Proportional to 790,208.87, 1,090,483.97 and 427,632.62
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Solution
The fourth proportional to 790,208.87, 1,090,483.97 and 427,632.62 is: 590,130.70
Step by Step Solution
- Step 1: Write the proportion equation
790,208.87 : 1,090,483.97 = 427,632.62 : x - Step 2: Convert to fraction form
790,208.87/1,090,483.97 = 427,632.62/x - Step 3: Cross multiply
790,208.87x = 1,090,483.97 × 427,632.62 - Step 4: Simplify right side
790,208.87x = 466,326,509,568.52 - Step 5: Solve for x
x = 466,326,509,568.52/790,208.87 - Step 6: Final answer
x = 590,130.70
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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.