Finding the Fourth Proportional to 725,425.84, 1,001,112 and 403,149.52
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Solution
The fourth proportional to 725,425.84, 1,001,112 and 403,149.52 is: 556,359.86
Step by Step Solution
- Step 1: Write the proportion equation
725,425.84 : 1,001,112 = 403,149.52 : x - Step 2: Convert to fraction form
725,425.84/1,001,112 = 403,149.52/x - Step 3: Cross multiply
725,425.84x = 1,001,112 × 403,149.52 - Step 4: Simplify right side
725,425.84x = 403,597,822,266.24 - Step 5: Solve for x
x = 403,597,822,266.24/725,425.84 - Step 6: Final answer
x = 556,359.86
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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.