Finding the Fourth Proportional to 725,747.99, 1,001,566.41 and 403,463.47
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Solution
The fourth proportional to 725,747.99, 1,001,566.41 and 403,463.47 is: 556,798.60
Step by Step Solution
- Step 1: Write the proportion equation
725,747.99 : 1,001,566.41 = 403,463.47 : x - Step 2: Convert to fraction form
725,747.99/1,001,566.41 = 403,463.47/x - Step 3: Cross multiply
725,747.99x = 1,001,566.41 × 403,463.47 - Step 4: Simplify right side
725,747.99x = 404,095,461,717.96 - Step 5: Solve for x
x = 404,095,461,717.96/725,747.99 - Step 6: Final answer
x = 556,798.60
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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.