Finding the Fourth Proportional to 554,058.12, 764,600.19 and 299,409.31
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Solution
The fourth proportional to 554,058.12, 764,600.19 and 299,409.31 is: 413,184.84
Step by Step Solution
- Step 1: Write the proportion equation
554,058.12 : 764,600.19 = 299,409.31 : x - Step 2: Convert to fraction form
554,058.12/764,600.19 = 299,409.31/x - Step 3: Cross multiply
554,058.12x = 764,600.19 × 299,409.31 - Step 4: Simplify right side
554,058.12x = 228,928,415,313.77 - Step 5: Solve for x
x = 228,928,415,313.77/554,058.12 - Step 6: Final answer
x = 413,184.84
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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.