Finding the Fourth Proportional to 790,087.26, 1,090,312.24 and 427,503.12
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Solution
The fourth proportional to 790,087.26, 1,090,312.24 and 427,503.12 is: 589,949.88
Step by Step Solution
- Step 1: Write the proportion equation
790,087.26 : 1,090,312.24 = 427,503.12 : x - Step 2: Convert to fraction form
790,087.26/1,090,312.24 = 427,503.12/x - Step 3: Cross multiply
790,087.26x = 1,090,312.24 × 427,503.12 - Step 4: Simplify right side
790,087.26x = 466,111,884,374.19 - Step 5: Solve for x
x = 466,111,884,374.19/790,087.26 - Step 6: Final answer
x = 589,949.88
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1.5x scale
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.