Finding the Fourth Proportional to 814,147.77, 1,122,788.49 and 508,252.42
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Solution
The fourth proportional to 814,147.77, 1,122,788.49 and 508,252.42 is: 700,929.23
Step by Step Solution
- Step 1: Write the proportion equation
814,147.77 : 1,122,788.49 = 508,252.42 : x - Step 2: Convert to fraction form
814,147.77/1,122,788.49 = 508,252.42/x - Step 3: Cross multiply
814,147.77x = 1,122,788.49 × 508,252.42 - Step 4: Simplify right side
814,147.77x = 570,659,966,688.19 - Step 5: Solve for x
x = 570,659,966,688.19/814,147.77 - Step 6: Final answer
x = 700,929.23
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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.