Finding the Fourth Proportional to 895,435.97, 1,235,690.05 and 487,533.14
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Solution
The fourth proportional to 895,435.97, 1,235,690.05 and 487,533.14 is: 672,789.41
Step by Step Solution
- Step 1: Write the proportion equation
895,435.97 : 1,235,690.05 = 487,533.14 : x - Step 2: Convert to fraction form
895,435.97/1,235,690.05 = 487,533.14/x - Step 3: Cross multiply
895,435.97x = 1,235,690.05 × 487,533.14 - Step 4: Simplify right side
895,435.97x = 602,439,841,527.14 - Step 5: Solve for x
x = 602,439,841,527.14/895,435.97 - Step 6: Final answer
x = 672,789.41
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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.