Finding the Fourth Proportional to 895,239.12, 1,235,426.40 and 487,363.62
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Solution
The fourth proportional to 895,239.12, 1,235,426.40 and 487,363.62 is: 672,559.84
Step by Step Solution
- Step 1: Write the proportion equation
895,239.12 : 1,235,426.40 = 487,363.62 : x - Step 2: Convert to fraction form
895,239.12/1,235,426.40 = 487,363.62/x - Step 3: Cross multiply
895,239.12x = 1,235,426.40 × 487,363.62 - Step 4: Simplify right side
895,239.12x = 602,101,882,547.57 - Step 5: Solve for x
x = 602,101,882,547.57/895,239.12 - Step 6: Final answer
x = 672,559.84
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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.