Finding the Fourth Proportional to 895,128.18, 1,235,302.74 and 487,256.46
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Solution
The fourth proportional to 895,128.18, 1,235,302.74 and 487,256.46 is: 672,427.99
Step by Step Solution
- Step 1: Write the proportion equation
895,128.18 : 1,235,302.74 = 487,256.46 : x - Step 2: Convert to fraction form
895,128.18/1,235,302.74 = 487,256.46/x - Step 3: Cross multiply
895,128.18x = 1,235,302.74 × 487,256.46 - Step 4: Simplify right side
895,128.18x = 601,909,240,120.70 - Step 5: Solve for x
x = 601,909,240,120.70/895,128.18 - Step 6: Final answer
x = 672,427.99
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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.