Finding the Fourth Proportional to 858,491.97, 1,184,732.81 and 471,343.08
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Solution
The fourth proportional to 858,491.97, 1,184,732.81 and 471,343.08 is: 650,461.07
Step by Step Solution
- Step 1: Write the proportion equation
858,491.97 : 1,184,732.81 = 471,343.08 : x - Step 2: Convert to fraction form
858,491.97/1,184,732.81 = 471,343.08/x - Step 3: Cross multiply
858,491.97x = 1,184,732.81 × 471,343.08 - Step 4: Simplify right side
858,491.97x = 558,415,609,285.74 - Step 5: Solve for x
x = 558,415,609,285.74/858,491.97 - Step 6: Final answer
x = 650,461.07
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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.