Finding the Fourth Proportional to 912,429.18, 1,259,084.93 and 504,536.40
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Solution
The fourth proportional to 912,429.18, 1,259,084.93 and 504,536.40 is: 696,222.99
Step by Step Solution
- Step 1: Write the proportion equation
912,429.18 : 1,259,084.93 = 504,536.40 : x - Step 2: Convert to fraction form
912,429.18/1,259,084.93 = 504,536.40/x - Step 3: Cross multiply
912,429.18x = 1,259,084.93 × 504,536.40 - Step 4: Simplify right side
912,429.18x = 635,254,175,353.77 - Step 5: Solve for x
x = 635,254,175,353.77/912,429.18 - Step 6: Final answer
x = 696,222.99
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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.