Finding the Fourth Proportional to 412,058.19, 617,956.26 and 385,161.02
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Solution
The fourth proportional to 412,058.19, 617,956.26 and 385,161.02 is: 577,619.05
Step by Step Solution
- Step 1: Write the proportion equation
412,058.19 : 617,956.26 = 385,161.02 : x - Step 2: Convert to fraction form
412,058.19/617,956.26 = 385,161.02/x - Step 3: Cross multiply
412,058.19x = 617,956.26 × 385,161.02 - Step 4: Simplify right side
412,058.19x = 238,012,660,327.20 - Step 5: Solve for x
x = 238,012,660,327.20/412,058.19 - Step 6: Final answer
x = 577,619.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.