Finding the Fourth Proportional to 895,472.49, 1,235,774.20 and 487,596.69
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Solution
The fourth proportional to 895,472.49, 1,235,774.20 and 487,596.69 is: 672,895.50
Step by Step Solution
- Step 1: Write the proportion equation
895,472.49 : 1,235,774.20 = 487,596.69 : x - Step 2: Convert to fraction form
895,472.49/1,235,774.20 = 487,596.69/x - Step 3: Cross multiply
895,472.49x = 1,235,774.20 × 487,596.69 - Step 4: Simplify right side
895,472.49x = 602,559,409,507.40 - Step 5: Solve for x
x = 602,559,409,507.40/895,472.49 - Step 6: Final answer
x = 672,895.50
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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.