Finding the Fourth Proportional to 936,161.84, 1,291,902.18 and 506,441
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Solution
The fourth proportional to 936,161.84, 1,291,902.18 and 506,441 is: 698,887.95
Step by Step Solution
- Step 1: Write the proportion equation
936,161.84 : 1,291,902.18 = 506,441 : x - Step 2: Convert to fraction form
936,161.84/1,291,902.18 = 506,441/x - Step 3: Cross multiply
936,161.84x = 1,291,902.18 × 506,441 - Step 4: Simplify right side
936,161.84x = 654,272,231,941.38 - Step 5: Solve for x
x = 654,272,231,941.38/936,161.84 - Step 6: Final answer
x = 698,887.95
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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.