Finding the Fourth Proportional to 874,547.82, 1,206,891.36 and 492,588.18
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Solution
The fourth proportional to 874,547.82, 1,206,891.36 and 492,588.18 is: 679,780.34
Step by Step Solution
- Step 1: Write the proportion equation
874,547.82 : 1,206,891.36 = 492,588.18 : x - Step 2: Convert to fraction form
874,547.82/1,206,891.36 = 492,588.18/x - Step 3: Cross multiply
874,547.82x = 1,206,891.36 × 492,588.18 - Step 4: Simplify right side
874,547.82x = 594,500,418,480.13 - Step 5: Solve for x
x = 594,500,418,480.13/874,547.82 - Step 6: Final answer
x = 679,780.34
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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.