Finding the Fourth Proportional to 519,393.81, 779,386.68 and 414,877.08
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Solution
The fourth proportional to 519,393.81, 779,386.68 and 414,877.08 is: 622,552.03
Step by Step Solution
- Step 1: Write the proportion equation
519,393.81 : 779,386.68 = 414,877.08 : x - Step 2: Convert to fraction form
519,393.81/779,386.68 = 414,877.08/x - Step 3: Cross multiply
519,393.81x = 779,386.68 × 414,877.08 - Step 4: Simplify right side
519,393.81x = 323,349,669,989.29 - Step 5: Solve for x
x = 323,349,669,989.29/519,393.81 - Step 6: Final answer
x = 622,552.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.