Finding the Fourth Proportional to 873,157.81, 1,309,954.68 and 304,547.08
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Solution
The fourth proportional to 873,157.81, 1,309,954.68 and 304,547.08 is: 456,896.64
Step by Step Solution
- Step 1: Write the proportion equation
873,157.81 : 1,309,954.68 = 304,547.08 : x - Step 2: Convert to fraction form
873,157.81/1,309,954.68 = 304,547.08/x - Step 3: Cross multiply
873,157.81x = 1,309,954.68 × 304,547.08 - Step 4: Simplify right side
873,157.81x = 398,942,872,726.33 - Step 5: Solve for x
x = 398,942,872,726.33/873,157.81 - Step 6: Final answer
x = 456,896.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.