Finding the Fourth Proportional to 551,618.38, 761,265.81 and 415,412.02
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Solution
The fourth proportional to 551,618.38, 761,265.81 and 415,412.02 is: 573,293.02
Step by Step Solution
- Step 1: Write the proportion equation
551,618.38 : 761,265.81 = 415,412.02 : x - Step 2: Convert to fraction form
551,618.38/761,265.81 = 415,412.02/x - Step 3: Cross multiply
551,618.38x = 761,265.81 × 415,412.02 - Step 4: Simplify right side
551,618.38x = 316,238,967,889.04 - Step 5: Solve for x
x = 316,238,967,889.04/551,618.38 - Step 6: Final answer
x = 573,293.02
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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.