Finding the Fourth Proportional to 936,343.84, 1,292,145.30 and 506,614.54
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Solution
The fourth proportional to 936,343.84, 1,292,145.30 and 506,614.54 is: 699,123.09
Step by Step Solution
- Step 1: Write the proportion equation
936,343.84 : 1,292,145.30 = 506,614.54 : x - Step 2: Convert to fraction form
936,343.84/1,292,145.30 = 506,614.54/x - Step 3: Cross multiply
936,343.84x = 1,292,145.30 × 506,614.54 - Step 4: Simplify right side
936,343.84x = 654,619,596,772.66 - Step 5: Solve for x
x = 654,619,596,772.66/936,343.84 - Step 6: Final answer
x = 699,123.09
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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.