Finding the Fourth Proportional to 936,394.44, 1,292,220.18 and 506,682.15
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Solution
The fourth proportional to 936,394.44, 1,292,220.18 and 506,682.15 is: 699,219.12
Step by Step Solution
- Step 1: Write the proportion equation
936,394.44 : 1,292,220.18 = 506,682.15 : x - Step 2: Convert to fraction form
936,394.44/1,292,220.18 = 506,682.15/x - Step 3: Cross multiply
936,394.44x = 1,292,220.18 × 506,682.15 - Step 4: Simplify right side
936,394.44x = 654,744,899,075.79 - Step 5: Solve for x
x = 654,744,899,075.79/936,394.44 - Step 6: Final answer
x = 699,219.12
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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.