Finding the Fourth Proportional to 895,798.84, 1,236,202.32 and 493,390.84
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Solution
The fourth proportional to 895,798.84, 1,236,202.32 and 493,390.84 is: 680,879.32
Step by Step Solution
- Step 1: Write the proportion equation
895,798.84 : 1,236,202.32 = 493,390.84 : x - Step 2: Convert to fraction form
895,798.84/1,236,202.32 = 493,390.84/x - Step 3: Cross multiply
895,798.84x = 1,236,202.32 × 493,390.84 - Step 4: Simplify right side
895,798.84x = 609,930,901,074.75 - Step 5: Solve for x
x = 609,930,901,074.75/895,798.84 - Step 6: Final answer
x = 680,879.32
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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.