Finding the Fourth Proportional to 914,448.99, 1,261,949.70 and 506,557.08
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Solution
The fourth proportional to 914,448.99, 1,261,949.70 and 506,557.08 is: 699,054.36
Step by Step Solution
- Step 1: Write the proportion equation
914,448.99 : 1,261,949.70 = 506,557.08 : x - Step 2: Convert to fraction form
914,448.99/1,261,949.70 = 506,557.08/x - Step 3: Cross multiply
914,448.99x = 1,261,949.70 × 506,557.08 - Step 4: Simplify right side
914,448.99x = 639,249,555,138.88 - Step 5: Solve for x
x = 639,249,555,138.88/914,448.99 - Step 6: Final answer
x = 699,054.36
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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.