Finding the Fourth Proportional to 530,283.92, 731,807.18 and 288,582.08
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Solution
The fourth proportional to 530,283.92, 731,807.18 and 288,582.08 is: 398,251.64
Step by Step Solution
- Step 1: Write the proportion equation
530,283.92 : 731,807.18 = 288,582.08 : x - Step 2: Convert to fraction form
530,283.92/731,807.18 = 288,582.08/x - Step 3: Cross multiply
530,283.92x = 731,807.18 × 288,582.08 - Step 4: Simplify right side
530,283.92x = 211,186,438,163.33 - Step 5: Solve for x
x = 211,186,438,163.33/530,283.92 - Step 6: Final answer
x = 398,251.64
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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.