Finding the Fourth Proportional to 555,901.28, 767,408.24 and 372,455.72
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Solution
The fourth proportional to 555,901.28, 767,408.24 and 372,455.72 is: 514,166.09
Step by Step Solution
- Step 1: Write the proportion equation
555,901.28 : 767,408.24 = 372,455.72 : x - Step 2: Convert to fraction form
555,901.28/767,408.24 = 372,455.72/x - Step 3: Cross multiply
555,901.28x = 767,408.24 × 372,455.72 - Step 4: Simplify right side
555,901.28x = 285,825,588,563.13 - Step 5: Solve for x
x = 285,825,588,563.13/555,901.28 - Step 6: Final answer
x = 514,166.09
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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.