Finding the Fourth Proportional to 765,283.56, 1,057,547.84 and 573,964.80
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Solution
The fourth proportional to 765,283.56, 1,057,547.84 and 573,964.80 is: 793,163.82
Step by Step Solution
- Step 1: Write the proportion equation
765,283.56 : 1,057,547.84 = 573,964.80 : x - Step 2: Convert to fraction form
765,283.56/1,057,547.84 = 573,964.80/x - Step 3: Cross multiply
765,283.56x = 1,057,547.84 × 573,964.80 - Step 4: Simplify right side
765,283.56x = 606,995,234,476.03 - Step 5: Solve for x
x = 606,995,234,476.03/765,283.56 - Step 6: Final answer
x = 793,163.82
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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.