Finding the Fourth Proportional to 790,483.08, 1,090,869.26 and 427,906.84
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Solution
The fourth proportional to 790,483.08, 1,090,869.26 and 427,906.84 is: 590,512.85
Step by Step Solution
- Step 1: Write the proportion equation
790,483.08 : 1,090,869.26 = 427,906.84 : x - Step 2: Convert to fraction form
790,483.08/1,090,869.26 = 427,906.84/x - Step 3: Cross multiply
790,483.08x = 1,090,869.26 × 427,906.84 - Step 4: Simplify right side
790,483.08x = 466,790,417,899.74 - Step 5: Solve for x
x = 466,790,417,899.74/790,483.08 - Step 6: Final answer
x = 590,512.85
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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.