Finding the Fourth Proportional to 936,616.53, 1,292,534.71 and 506,896.62
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Solution
The fourth proportional to 936,616.53, 1,292,534.71 and 506,896.62 is: 699,519.45
Step by Step Solution
- Step 1: Write the proportion equation
936,616.53 : 1,292,534.71 = 506,896.62 : x - Step 2: Convert to fraction form
936,616.53/1,292,534.71 = 506,896.62/x - Step 3: Cross multiply
936,616.53x = 1,292,534.71 × 506,896.62 - Step 4: Simplify right side
936,616.53x = 655,181,475,731.68 - Step 5: Solve for x
x = 655,181,475,731.68/936,616.53 - Step 6: Final answer
x = 699,519.45
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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.