Finding the Fourth Proportional to 895,231.59, 1,235,416.10 and 487,356.09
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Solution
The fourth proportional to 895,231.59, 1,235,416.10 and 487,356.09 is: 672,549.50
Step by Step Solution
- Step 1: Write the proportion equation
895,231.59 : 1,235,416.10 = 487,356.09 : x - Step 2: Convert to fraction form
895,231.59/1,235,416.10 = 487,356.09/x - Step 3: Cross multiply
895,231.59x = 1,235,416.10 × 487,356.09 - Step 4: Simplify right side
895,231.59x = 602,087,557,582.27 - Step 5: Solve for x
x = 602,087,557,582.27/895,231.59 - Step 6: Final answer
x = 672,549.50
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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.