Finding the Fourth Proportional to 929,473.28, 1,281,949.99 and 672,314.88
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Solution
The fourth proportional to 929,473.28, 1,281,949.99 and 672,314.88 is: 927,271.48
Step by Step Solution
- Step 1: Write the proportion equation
929,473.28 : 1,281,949.99 = 672,314.88 : x - Step 2: Convert to fraction form
929,473.28/1,281,949.99 = 672,314.88/x - Step 3: Cross multiply
929,473.28x = 1,281,949.99 × 672,314.88 - Step 4: Simplify right side
929,473.28x = 861,874,060,601.15 - Step 5: Solve for x
x = 861,874,060,601.15/929,473.28 - Step 6: Final answer
x = 927,271.48
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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.