Finding the Fourth Proportional to 762,258.14, 1,051,909.06 and 418,087.02
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Solution
The fourth proportional to 762,258.14, 1,051,909.06 and 418,087.02 is: 576,956.15
Step by Step Solution
- Step 1: Write the proportion equation
762,258.14 : 1,051,909.06 = 418,087.02 : x - Step 2: Convert to fraction form
762,258.14/1,051,909.06 = 418,087.02/x - Step 3: Cross multiply
762,258.14x = 1,051,909.06 × 418,087.02 - Step 4: Simplify right side
762,258.14x = 439,789,524,206.40 - Step 5: Solve for x
x = 439,789,524,206.40/762,258.14 - Step 6: Final answer
x = 576,956.15
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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.