Finding the Fourth Proportional to 936,534.17, 1,292,420.39 and 506,814.19
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Solution
The fourth proportional to 936,534.17, 1,292,420.39 and 506,814.19 is: 699,405.33
Step by Step Solution
- Step 1: Write the proportion equation
936,534.17 : 1,292,420.39 = 506,814.19 : x - Step 2: Convert to fraction form
936,534.17/1,292,420.39 = 506,814.19/x - Step 3: Cross multiply
936,534.17x = 1,292,420.39 × 506,814.19 - Step 4: Simplify right side
936,534.17x = 655,016,987,332.21 - Step 5: Solve for x
x = 655,016,987,332.21/936,534.17 - Step 6: Final answer
x = 699,405.33
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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.