Finding the Fourth Proportional to 914,810, 1,262,418.96 and 506,908.28
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Solution
The fourth proportional to 914,810, 1,262,418.96 and 506,908.28 is: 699,522.99
Step by Step Solution
- Step 1: Write the proportion equation
914,810 : 1,262,418.96 = 506,908.28 : x - Step 2: Convert to fraction form
914,810/1,262,418.96 = 506,908.28/x - Step 3: Cross multiply
914,810x = 1,262,418.96 × 506,908.28 - Step 4: Simplify right side
914,810x = 639,930,623,652.99 - Step 5: Solve for x
x = 639,930,623,652.99/914,810 - Step 6: Final answer
x = 699,522.99
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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.