Finding the Fourth Proportional to 987,698.81, 1,481,548.73 and 277,726.84
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Solution
The fourth proportional to 987,698.81, 1,481,548.73 and 277,726.84 is: 416,590.40
Step by Step Solution
- Step 1: Write the proportion equation
987,698.81 : 1,481,548.73 = 277,726.84 : x - Step 2: Convert to fraction form
987,698.81/1,481,548.73 = 277,726.84/x - Step 3: Cross multiply
987,698.81x = 1,481,548.73 × 277,726.84 - Step 4: Simplify right side
987,698.81x = 411,465,841,996.41 - Step 5: Solve for x
x = 411,465,841,996.41/987,698.81 - Step 6: Final answer
x = 416,590.40
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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.