Finding the Fourth Proportional to 725,472.68, 1,001,154.36 and 403,181.80
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Solution
The fourth proportional to 725,472.68, 1,001,154.36 and 403,181.80 is: 556,392.03
Step by Step Solution
- Step 1: Write the proportion equation
725,472.68 : 1,001,154.36 = 403,181.80 : x - Step 2: Convert to fraction form
725,472.68/1,001,154.36 = 403,181.80/x - Step 3: Cross multiply
725,472.68x = 1,001,154.36 × 403,181.80 - Step 4: Simplify right side
725,472.68x = 403,647,216,942.65 - Step 5: Solve for x
x = 403,647,216,942.65/725,472.68 - Step 6: Final answer
x = 556,392.03
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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.