Finding the Fourth Proportional to 943,913.40, 1,415,805.30 and 304,207.80
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Solution
The fourth proportional to 943,913.40, 1,415,805.30 and 304,207.80 is: 456,290.82
Step by Step Solution
- Step 1: Write the proportion equation
943,913.40 : 1,415,805.30 = 304,207.80 : x - Step 2: Convert to fraction form
943,913.40/1,415,805.30 = 304,207.80/x - Step 3: Cross multiply
943,913.40x = 1,415,805.30 × 304,207.80 - Step 4: Simplify right side
943,913.40x = 430,699,015,541.34 - Step 5: Solve for x
x = 430,699,015,541.34/943,913.40 - Step 6: Final answer
x = 456,290.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.