Finding the Fourth Proportional to 914,482.36, 1,261,969.14 and 506,582.95
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Solution
The fourth proportional to 914,482.36, 1,261,969.14 and 506,582.95 is: 699,075.32
Step by Step Solution
- Step 1: Write the proportion equation
914,482.36 : 1,261,969.14 = 506,582.95 : x - Step 2: Convert to fraction form
914,482.36/1,261,969.14 = 506,582.95/x - Step 3: Cross multiply
914,482.36x = 1,261,969.14 × 506,582.95 - Step 4: Simplify right side
914,482.36x = 639,292,049,750.16 - Step 5: Solve for x
x = 639,292,049,750.16/914,482.36 - Step 6: Final answer
x = 699,075.32
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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.