Finding the Fourth Proportional to 895,453.14, 1,235,683.98 and 487,553.76
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Solution
The fourth proportional to 895,453.14, 1,235,683.98 and 487,553.76 is: 672,801.67
Step by Step Solution
- Step 1: Write the proportion equation
895,453.14 : 1,235,683.98 = 487,553.76 : x - Step 2: Convert to fraction form
895,453.14/1,235,683.98 = 487,553.76/x - Step 3: Cross multiply
895,453.14x = 1,235,683.98 × 487,553.76 - Step 4: Simplify right side
895,453.14x = 602,462,370,620.77 - Step 5: Solve for x
x = 602,462,370,620.77/895,453.14 - Step 6: Final answer
x = 672,801.67
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1.5x scale
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.