Finding the Fourth Proportional to 539,631.62, 744,789.11 and 321,854.25
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Solution
The fourth proportional to 539,631.62, 744,789.11 and 321,854.25 is: 444,217.00
Step by Step Solution
- Step 1: Write the proportion equation
539,631.62 : 744,789.11 = 321,854.25 : x - Step 2: Convert to fraction form
539,631.62/744,789.11 = 321,854.25/x - Step 3: Cross multiply
539,631.62x = 744,789.11 × 321,854.25 - Step 4: Simplify right side
539,631.62x = 239,713,540,407.22 - Step 5: Solve for x
x = 239,713,540,407.22/539,631.62 - Step 6: Final answer
x = 444,217.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.