Finding the Fourth Proportional to 984,583.12, 1,358,764.68 and 554,881.36
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Solution
The fourth proportional to 984,583.12, 1,358,764.68 and 554,881.36 is: 765,758.81
Step by Step Solution
- Step 1: Write the proportion equation
984,583.12 : 1,358,764.68 = 554,881.36 : x - Step 2: Convert to fraction form
984,583.12/1,358,764.68 = 554,881.36/x - Step 3: Cross multiply
984,583.12x = 1,358,764.68 × 554,881.36 - Step 4: Simplify right side
984,583.12x = 753,953,193,558.37 - Step 5: Solve for x
x = 753,953,193,558.37/984,583.12 - Step 6: Final answer
x = 765,758.81
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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.