Finding the Fourth Proportional to 936,348.84, 1,292,152.20 and 506,619.54
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Solution
The fourth proportional to 936,348.84, 1,292,152.20 and 506,619.54 is: 699,129.99
Step by Step Solution
- Step 1: Write the proportion equation
936,348.84 : 1,292,152.20 = 506,619.54 : x - Step 2: Convert to fraction form
936,348.84/1,292,152.20 = 506,619.54/x - Step 3: Cross multiply
936,348.84x = 1,292,152.20 × 506,619.54 - Step 4: Simplify right side
936,348.84x = 654,629,553,173.99 - Step 5: Solve for x
x = 654,629,553,173.99/936,348.84 - Step 6: Final answer
x = 699,129.99
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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.