Finding the Fourth Proportional to 530,284.92, 731,808.57 and 288,583.08
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Solution
The fourth proportional to 530,284.92, 731,808.57 and 288,583.08 is: 398,253.02
Step by Step Solution
- Step 1: Write the proportion equation
530,284.92 : 731,808.57 = 288,583.08 : x - Step 2: Convert to fraction form
530,284.92/731,808.57 = 288,583.08/x - Step 3: Cross multiply
530,284.92x = 731,808.57 × 288,583.08 - Step 4: Simplify right side
530,284.92x = 211,187,571,101.00 - Step 5: Solve for x
x = 211,187,571,101.00/530,284.92 - Step 6: Final answer
x = 398,253.02
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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.